tag:blogger.com,1999:blog-18068190288409066442024-03-05T13:49:53.379+07:00ROFA Education CentreSebuah dedikasi untuk dunia pendidikan Indonesia yang lebih baik.Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.comBlogger885125tag:blogger.com,1999:blog-1806819028840906644.post-71581086720453547582018-01-28T13:52:00.002+07:002018-01-28T13:53:00.003+07:00[Kunci Jawaban] Mei Ling dari Singapura sedang mempersiapkan kepergiannya ke Afrika Selatan selama 3 bulan dalam pertukaran pelajar. Dia harus menukarkan uang Dolar Singapura (SGD) miliknya menjadi Rand Afrika Selatan (ZAR).<div style="font-family: "times new roman"; font-size: 16px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>8. </b></span></span><span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Mei Ling dari Singapura sedang mempersiapkan kepergiannya ke </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">Afrika Selatan selama 3 bulan dalam pertukaran pelajar. Dia harus </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">menukarkan uang Dolar Singapura (SGD) miliknya menjadi Rand </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Afrika Selatan (ZAR).</b><br />
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>a. Mei Ling mengecek nilai tukar uang asing antara Dolar Singapura </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">dan Rand Afrika Selatan, yakni 1 SGD = 4,2 ZAR. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Mei Ling menukar 3.000 dolar Singapura menjadi Rand Afrika </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Selatan sesuai nilai tukar tersebut. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Berapakah uang yang diperoleh Mei Ling dalam Rand Afrika </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Selatan ?</b><br />
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>b. Ketika kembali ke Singapura selama 3 bulan, uang Mei Ling </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">bersisa 3.900 ZAR. Dia menukarkannya menjadi Dolar Singapura, </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">perhatikan bahwa nilai tukar kedua mata uang tersebut telah </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">berubah menjadi 1 SGD = 4,0 ZAR. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Berapakah uang yang didapatkan Mei Ling setelah ditukarkan </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">menjadi Dolar Singapura?</b><br />
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<b style="font-family: "times new roman", serif; font-size: 18.66px;">c. Selama 3 bulan nilai tukar mata uang asing telah berubah mulai </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">4,2 menjadi 4,0 ZAR per SGD. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Apakah hal ini keberuntungan yang didapatkan Mei Ling bahwa </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">nilai tukar sekarang yang sebelumnya 4,0 menjadi 4,2 ZAR, ketika </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">dia menukar ZARnya menjadi SGD? Berikan penjelasan untuk </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">mendukung jawabanmu.</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 8 Essay Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span></div>
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<span style="color: blue;"><span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="color: red; font-size: 18.66px;"><span style="display: inline; float: none; font-family: "times new roman" , serif;"><span style="display: inline; float: none; font-family: "times new roman" , serif;"></span></span></span></span></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif;"><b>a. Uang ZAR yang didapatkan Mei Ling</b></span></span></span><br />
<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">1 SGD = 4,2 ZAR</span></span></span><br />
<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">3.000 SGD = 3.000 x 4,2 = 12.600 ZAR</span></span></span><br />
<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span></span></span>
<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">Jadi, uang ZAR yang diterima Mei Ling setelah menukar 3.000 SGD adalah 12.600 ZAR</span></span></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>b. Uang SGD yang didapatkan Mei Ling</b></span></span><br />
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">1 SGD = 4,0 ZAR</span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">3.400 ZAR = 3.400 : 4,0 = 850 SGD</span></span></span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">Jadi, uang SGD yang diterima Mei Ling setelah menukar 3.400 ZAR adalah 1850 SGD</span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;"><b>c. Keuntungan perubahan nilai tukar</b></span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">Mei Ling mempunyai keuntungan karena terjadi perubahan nilai tukar dari SGD ke ZAR. Untuk penjelasannya kita bisa menggunakan pemisalan dengan menggunakan angka yang sama. Misalnya Mei Ling ingin menukar 840 SGD ke ZAR dan sebaliknya dengan menggunakan kurs yang berbeda.</span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">Kurs ketika menukar SGD ke ZAR</span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">1 SGD = 4,2 ZAR</span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">840 SGD = 840 x 4,2 = 3.528 ZAR</span></div>
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">Kurs ketika merubah ZAR ke SGD</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">1 SGD = 4,0 ZAR</span></span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">3.528 ZAR = 3.528 : 4 = 882 SGD</span><br />
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">Terlihat dari hasil perhitungan bahwa jika uang 840 SGD ditukar ke ZAR, lalu ditukar lagi ke SGD dengan kurs yang berbeda dari 1 SGD = 4,2 ZAR menjadi 1 SGD = 4,0 ZAR membawa keuntungan, karena uang 840 SGD bisa berubah menjadi 882 SGD (keuntungan 42 SGD).</span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com1tag:blogger.com,1999:blog-1806819028840906644.post-42587628129384785612018-01-28T04:01:00.002+07:002018-01-28T04:01:54.686+07:00[Kunci Jawaban] Gambar di atas menunjukkan jejak kaki seorang pria yang berjalan. Panjang langkah P adalah jarak antara dua ujung belakang jejak kaki yang berurutan. Untuk pria, rumus n/p = 40 , menunjukkan hubungan antara n dan P dimana n menunjukkan banyak langkah per menit, dan P menunjukkan panjang langkah dalam satuan meter.<div style="font-family: "times new roman"; font-size: 16px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>7.</b></span></span><br />
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Gambar di atas menunjukkan jejak kaki seorang pria yang berjalan. </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">Panjang langkah <i>P</i> adalah jarak antara dua ujung belakang jejak kaki </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">yang berurutan. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Untuk pria, rumus <i>n/p = 40</i></b><b style="font-family: "times new roman", serif; font-size: 18.66px;"> , menunjukkan hubungan antara <i>n</i> dan <i>p</i> </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">dimana <i>n</i> menunjukkan banyak langkah per menit, dan <i>p</i> menunjukkan </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">panjang langkah dalam satuan meter.</b><br />
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>a. Jika rumus di atas menunjukkan langkah kaki Heri dan dia </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">berjalan 70 langkah per menit, berapakah panjang langkah Heri? </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Tunjukkan bagaimana kalian menentukannya.</b><br />
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>b. Beni mengetahui bahwa panjang langkah kakinya adalah 0,80 </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">meter. Jika rumus tersebut menunjukkan langkah kaki Beni, </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">hitung kecepatan Beni berjalan dalam meter per menit dan dalam </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">kilometer per jam.Tunjukkan strategi kalian menyelesaikannya.</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 7 Essay Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span></div>
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<span style="color: blue;"><span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="color: red; font-size: 18.66px;"><span style="display: inline; float: none; font-family: "times new roman" , serif;"><span style="display: inline; float: none; font-family: "times new roman" , serif;"></span></span></span></span></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><b>a. Panjang langkah Heri</b></span></span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsqICa9KjI7nJFT_q5N0Die-r8obrXvtRdIFLfQupStvTyow07StbtIsuVYC9CTHDD1RFnuT5g5de1iqCaZ_fQuAQiKyEoYtdzu5KYkaNMNySKjbzISXhHlZ_DgG747HkzKVGlgcDhSz7Y/s1600/7+Essay+Jawaban+UK+Perbandingan.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="249" data-original-width="303" height="163" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsqICa9KjI7nJFT_q5N0Die-r8obrXvtRdIFLfQupStvTyow07StbtIsuVYC9CTHDD1RFnuT5g5de1iqCaZ_fQuAQiKyEoYtdzu5KYkaNMNySKjbzISXhHlZ_DgG747HkzKVGlgcDhSz7Y/s200/7+Essay+Jawaban+UK+Perbandingan.jpg" width="200" /></a></div>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">Jadi, panjang kaki Heri adalah 1,75 cm</span></span><br />
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>b. Kecepatan Beni berjalan jika panjang langkah kaki 0,80 m</b></span></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5Pk7XCnL-qh3zbap0zFLOBK4MNtDUuOywLdWkASf0BFdx-xQ78jPbvPdtW1t_az4qCNkU0-ahK5hCl6WLWYrrvgrnF5VNZjpKX0p1Wqgap9M7vCHhdv5UTK1FPyRq72sps7TfpF5d4So1/s1600/7b+Essay+Jawaban+UK+Perbandingan.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="284" data-original-width="576" height="156" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5Pk7XCnL-qh3zbap0zFLOBK4MNtDUuOywLdWkASf0BFdx-xQ78jPbvPdtW1t_az4qCNkU0-ahK5hCl6WLWYrrvgrnF5VNZjpKX0p1Wqgap9M7vCHhdv5UTK1FPyRq72sps7TfpF5d4So1/s320/7b+Essay+Jawaban+UK+Perbandingan.jpg" width="320" /></a></div>
Jadi, kecepatan Beni berjalan adalah 1,92 km/jam<br />
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-42809893835416656342018-01-28T03:42:00.000+07:002018-01-28T04:10:44.747+07:00[Kunci Jawaban] Grafik di bawah menunjukkan suhu air di Samudera Pasifk. Asumsikan suhu dan kedalaman laut berbanding terbalik pada kedalaman yang lebih dari 900 meter.<div style="font-family: "times new roman"; font-size: 16px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>6. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Grafik di bawah menunjukkan suhu air di Samudera Pasifk. Asumsikan </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">suhu dan kedalaman laut berbanding terbalik pada kedalaman yang </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">lebih dari 900 meter.</b><br />
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>a. Tentukan persamaan yang berhubungan dengan suhu T dan </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">kedalaman laut m.</b><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>b. Tentukan suhu pada kedalaman 5.000 meter</b></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 6 Essay Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><b>a. Persamaan yang berhubungan dengan suhu (T) dan kedalaman laut</b></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">Karena semakin dalam laut, suhunya semakin rendah, dan begitu juga sebaliknya maka persamaan yang berlaku adalah berupa perbandingan berbalik nilai, dimana:</span></span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFHirG2X2rsDY-DEIDvVZyIQXDAZcjmErAwX-5dH6x-KeCwFr-rNzm5P718_U46f7cCF8BxXsu1-Di82yCDf0dNOq2Q6ou4NdQVKjawz7UM0ke7l3CtYItbb_KYyX46JZbV4eSUpJ_eFlj/s1600/Rumus+Perbandingan+Berbalik+Nilai.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="80" data-original-width="112" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFHirG2X2rsDY-DEIDvVZyIQXDAZcjmErAwX-5dH6x-KeCwFr-rNzm5P718_U46f7cCF8BxXsu1-Di82yCDf0dNOq2Q6ou4NdQVKjawz7UM0ke7l3CtYItbb_KYyX46JZbV4eSUpJ_eFlj/s1600/Rumus+Perbandingan+Berbalik+Nilai.jpg" /></a></div>
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<b style="font-family: "times new roman", serif; font-size: 18.66px;">Keterangan:</b></div>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">T1 = temperatur 1</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">T2 = temperatur 2</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">h1 = kedalaman 1</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">h2 = kedalaman 2</span></span><br />
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>b. Suhu pada kedalaman 5.000 meter</b></span></span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Berdasarkan grafik kita dapat menentukan suhu pada kedalaman 5.000 meter adalah 0,8 derajat celcius.</span><br />
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-9115277328849152662018-01-28T02:36:00.004+07:002018-01-28T02:36:57.084+07:00[Kunci Jawaban] Berikut ini sebaran titik koordinat yang menunjukkan jarak (d) terhadap waktu (t). Variabel d dalam satuan meter dan variabel t dalam satuan detik. Grafik tersebut menjelaskan seseorang berjalan dari detektor gerakan.<div style="font-family: "times new roman"; font-size: 16px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px;">
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>5. </b></span></span><span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Berikut ini sebaran titik koordinat yang menunjukkan jarak (<i>d</i>) terhadap waktu (<i>t</i>). Variabel <i>d</i> dalam satuan meter dan variabel <i>t</i> dalam satuan detik. Grafik tersebut menjelaskan seseorang berjalan dari detektor gerakan.</b></span></span><br />
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<b style="font-family: "times new roman", serif; font-size: 18.66px;">a. Taksirlah seberapa cepat orang ini bergerak. Jelaskan bagaimana kamu mengetahuinya!</b><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>b. Buatlah tabel yang taksirannya sama dengan grafik di samping.</b></span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>c. Apakah sebaran plot ini menunjukkan perbandingan senilai atau berbalik nilai? Jelaskan.</b></span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>d. Tentukan persamaan dari perbandingan jarak terhadap waktu berdasarkan grafik di samping.</b></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 5 Essay Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><b>a. Taksiran kecepatan</b></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">Kecepatan = Perubahan Jarak : Waktu</span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">= 4,5 m : 4,5 s</span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">= 1 m/s</span></span></span></div>
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>b. Tabel yang sama dengan taksiran kecepatan</b></span></span><br />
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<span style="font-family: "times new roman", serif; font-size: 18.66px;"><b>c. Jenis perbandingan</b></span></div>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">Perbandingan pada sebaran plot di atas merupakan senilai karena berupa perbandingan dari dua nilai atau lebih dari suatu besaran yang sejenis yang memiliki nilai atau harga yang sama.</span></span><br />
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">Penjelasan: kecepatan gerak suatu benda dapat dihitung dengan membandingkan jarak yang telah ditempuh dengan selang waktu.</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b><br /></b></span></span>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>d. Persamaan perbandingan jarak terhadap waktu</b></span></span><br />
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-91448149350381252012018-01-08T01:10:00.003+07:002018-01-08T01:10:52.230+07:00[Kunci Jawaban] Rasio dari dua dua bilangan adalah 3 : 4. Jika masing-masing bilangan ditambah 2, rasionya menjadi 7 : 9. Tentukan hasil kali kedua bilangan itu!<span style="color: #008012;"></span><div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman"; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>4. Rasio dari dua dua bilangan adalah 3 : 4. Jika masing-masing bilangan ditambah 2, rasionya menjadi 7 : 9. Tentukan hasil kali kedua bilangan itu!</b></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 4 Essay Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span></div>
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<span style="color: blue;"><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></span></div>
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<i>a</i> :<i> b</i> = 3 : 4</div>
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<span style="color: blue;"><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></span></div>
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<span style="color: blue;"><span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: red;"><span style="-webkit-text-stroke-width: 0px; background-color: transparent; display: inline !important; float: none; font-family: "times new roman",serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 700; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Jika masing-masing bilangan</span><span style="-webkit-text-stroke-width: 0px; background-color: transparent; display: inline !important; float: none; font-family: "times new roman",serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 700; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"> ditambah 2, rasionya menjadi 7 : 9. Tentukan hasil kali kedua bilangan itu!</span></span></span></span></span></span></span><span style="color: blue;"><br />
<span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="color: red; font-size: 18.66px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><br /></span></span></span></span></span></span><span style="color: blue;"><span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="color: red; font-size: 18.66px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"></span></span></span></span></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></span></div>
<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: Times New Roman; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
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<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><div style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px;">
<i>a</i> :<i> b</i> = 3 : 4</div>
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misalkan <i>a</i> = 3<i>x </i>dan <i>b</i> = 4<i>x</i>, maka:</div>
<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
(<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman",serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">3</span><i style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-size: 18.66px; font-style: italic; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">x</i><span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><i> </i>+ 2) :<i> </i>(<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman",serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">4</span><i style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-size: 18.66px; font-style: italic; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">x</i><i> </i><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman",serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">+ </span><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman",serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">2</span><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman",serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">)</span> = 7 : 9</span></span></div>
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<br /></div>
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Selanjutnya kita menggunakan metode kali silang pada pecahan, sehingga:</div>
<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
9<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline !important; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">(</span><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">3</span><i style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: italic; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">x</i><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: blue; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><i> </i>+ 2) = 7(<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">4</span><i style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: italic; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">x</i><i style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: italic; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"> </i><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">+ </span><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">2</span><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">)</span></span></span></div>
<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: blue; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">27<i>x</i> + 18 = 28<i>x</i> + 14</span></span></span></div>
<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: blue; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">27<i>x</i> – 28<i>x</i> = 14 – 18</span></span></span></div>
<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: blue; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">–<i>x</i> = –4</span></span></span></div>
<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: blue; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><i>x</i> = 4</span></span></span></div>
<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: blue; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><br /></span></span></span></div>
<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
<span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: blue; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">karena diketahui<i> x</i> = 4, maka:</span></span></span><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: blue; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><i><b><u><sub><sup><br /></sup></sub></u></b></i></span></span></div>
<div style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px;">
<i>a</i><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline !important; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"> = 3</span><i>x</i></div>
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<i>a</i> = 3(4) = 12</div>
<div style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px;">
<br /></div>
<div style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px;">
<i>b</i><span style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; display: inline !important; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"> = 4</span><i>x</i></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>b</i> = 4(4) = 16</span></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>a</i> x<i> b = </i>12 x 16<i> =</i> 192</span></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"></span></span></span></span><span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i></i><br /></span></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi, hasil kali kedua bilangan tersebut adalah 192.</span></span></span></span></div>
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<b></b><i></i><u></u><sub></sub><sup></sup><strike></strike><br />Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com1tag:blogger.com,1999:blog-1806819028840906644.post-28930944130243312442018-01-08T00:38:00.000+07:002018-01-08T01:13:00.735+07:00[Kunci Jawaban] Kota A dan kota B pada peta berjarak 6 cm. Jarak sebenarnya kedua kota tersebut adalah 120 km. Jika Kota B dan Kota C pada peta yang sama berjarak 4 cm, maka tentukan jarak sebenarnya Kota B dan Kota C!<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman"; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>3. Kota A dan kota B pada peta berjarak 6 cm. Jarak sebenarnya kedua kota tersebut adalah 120 km. Jika Kota B dan Kota C pada peta yang sama berjarak 4 cm, maka tentukan jarak sebenarnya Kota B dan Kota C!</b></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 3 Essay Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span></div>
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<span style="color: blue;"><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></span><br />
<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">Jarak kota A <span style="background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">– B </span>pada peta = 6 cm</span></span></div>
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<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">Jarak sebenarnya = 120 km = 12.000.000 cm</span></span><br />
<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">Jarak kota B <span style="background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">– C pada peta = 4 cm</span></span></span><br />
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<span style="color: blue;"><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></span></div>
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<span style="color: blue;"><span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="color: red; font-size: 18.66px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><b>Jarak sebenarnya kota B </b><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="color: red;">– C?</span></span></span></span></span></span><br />
<span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="color: red; font-size: 18.66px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><br /></span></span></span></span></span></span><span style="color: blue;"><span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="color: red; font-size: 18.66px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"></span></span></span></span></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></span><br />
<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;">Untuk mengerjakan soal di atas kita akan menggunakan rumus perbandingan senilai, dimana:</span></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;">Sehingga:</span></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">6 cm = <span style="background-color: transparent; color: black; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">12.000.000 cm</span></span></span></span></span></span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">4 cm = <i>x</i></span></span></span></span></span></div>
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6<span style="font-family: "times new roman" , serif; font-size: 18.66px;">/12.000.000 =</span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> 4</span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">/<i>x</i></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>x</i> = (4 x 12.000.000)/6</span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>x</i> = 8.000.000 cm = 80 km</span></div>
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<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi, jarak sebenarnya dari kota B ke kota C adalah 80 km.</span></span></span></span></div>
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<b></b><i></i><u></u><sub></sub><sup></sup><strike></strike><br />Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-3226359400390082922018-01-08T00:30:00.003+07:002018-01-08T00:38:59.388+07:00[Kunci Jawaban] Ratna ingin membeli mi instan. Ratna memiliki dua pilihan tempat untuk membeli mi instan. Di AndaMart, Ratna dapat membeli tujuh bungkus mi instan seharga Rp13.000,00. Sedangkan di SandiMart, Ratna dapat membeli enam bungkus mi instan seharga Rp11.000,00. Toko manakah yang akan kalian sarankan ke Ratna? Jelaskan!<div style="-webkit-text-stroke-width: 0px; background-color: transparent; color: black; font-family: "times new roman"; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>2. Ratna ingin membeli mi instan. Ratna memiliki dua pilihan tempat untuk membeli mi instan. Di AndaMart, Ratna dapat membeli tujuh bungkus mi instan seharga Rp13.000,00. Sedangkan di SandiMart, Ratna dapat membeli enam bungkus mi instan seharga Rp11.000,00. Toko manakah yang akan kalian sarankan ke Ratna? Jelaskan!</b></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 2 Essay Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span></div>
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<span style="color: blue;"><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></span><br />
<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><b>AndaMart</b></span></span></div>
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<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">7 bungkus mi = Rp13.000</span></span></div>
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<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><b>SandiMart</b></span></span></div>
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<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">6 bungkus mi = Rp.11.000</span></span><br />
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<span style="color: blue;"><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></span></div>
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<span style="color: blue;"><span style="color: red;"><span style="font-family: "times new roman" , serif;"><span style="color: red; font-size: 18.66px;"><span style="background-color: transparent; display: inline; float: none; font-family: "times new roman" , serif; font-size: 18.66px; font-style: normal; font-variant: normal; font-weight: 700; letter-spacing: normal; text-align: justify; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Toko manakah yang akan kalian sarankan ke Ratna? Jelaskan!</span></span></span></span></span></div>
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<span style="color: blue;"><span style="color: red;"><b><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span></b></span>
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<span style="color: blue;"><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></span><br />
<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"><b>AndaMart</b></span></span></span><br />
<span style="color: blue;"><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">7 bungkus mi = Rp13.000</span></span></span></div>
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<span style="color: blue;"><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;">1 bungkus mi = Rp.1.857</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><b>SandiMart</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">6 bungkus mi = Rp.11.000</span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"> 1 bungkus mi = Rp.1.833</span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Karena 1.833 < dari 1.857, maka ratna sebaiknya berbelanja mi di toko SandiMart karena harga mi per bungkusnya lebih murah di sana.</span></div>
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<b></b><i></i><u></u><sub></sub><sup></sup><strike></strike><br />Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-48975051235242793582018-01-08T00:07:00.001+07:002018-01-08T00:07:39.993+07:00[Kunci Jawaban] Bandingkan persentase akses air minum layak perkotaan terhadap pedesaan dan persentase akses air minum layak pedesaan terhadap perkotaan. Tulislah pernyataan untuk masing-masing tahun.<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>1. </b></span></span><span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Kesehatan.</b></span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Perhatikan tabel di bawah ini.</b></span></span><br />
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Persentase Akses Air Minum Layak Rumah Tangga di Indonesia</b></span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpj9Nmn5Dyubxk7DPQlIyDRomnrnorAliSoIMebH82g-M8ocsU0d_EJRBpccESORrIyCFOz6a081mJPOwL9bzlDQrUA_Fz0-Ss6he6pZERpV3BToecGHJTLC9LaQi57CkyY9OtWXe-EYjN/s1600/1+Essay+Soal+UK.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="190" data-original-width="652" height="116" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpj9Nmn5Dyubxk7DPQlIyDRomnrnorAliSoIMebH82g-M8ocsU0d_EJRBpccESORrIyCFOz6a081mJPOwL9bzlDQrUA_Fz0-Ss6he6pZERpV3BToecGHJTLC9LaQi57CkyY9OtWXe-EYjN/s400/1+Essay+Soal+UK.JPG" width="400" /></a></div>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>a. Bandingkan persentase akses air minum layak perkotaan terhadap </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">pedesaan dan persentase akses air minum layak pedesaan terhadap </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">perkotaan. Tulislah pernyataan untuk masing-masing tahun.</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>b. Jelaskan kenaikan atau penurunan akses air minum layak di </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">perkotaan dan di pedesaan antara tahun 2000 dan 2011.</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 1 Essay Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span><br />
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">a. P</span><span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">ersentase akses air minum layak perkotaan terhadap </span></span><span style="font-family: "times new roman", serif; font-size: 18.66px;">pedesaan tahun 2000</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">= 46,02 : 31,31</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">= 1,47 : 1</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">Persentase akses air minum layak pedesaan terhadap </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">perkotaan tahun 2000</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">= 31,31 : 46,02</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">= 1 : 1,47</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">P</span><span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">ersentase akses air minum layak perkotaan terhadap </span></span><span style="font-family: "times new roman", serif; font-size: 18.66px;">pedesaan tahun 2011</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">= 41,10 : 43,92</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">= 1 : 1,07</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">Persentase akses air minum layak pedesaan terhadap </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">perkotaan tahun 2011</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">= 43,92 : 41,10</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">= 1,07 : 1</span><br />
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">b. Antara tahun 2000 </span></span><span style="font-family: "times new roman", serif; font-size: 18.66px;">– </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">2011 akses air minum layak di perkotaan mengalami penurunan, dari 46,02 menjadi 43,92. Besarnya penurunan yang terjadi yaitu </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">–2,1. Sedangkan dalam kurun waktu yang sama, 2000 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">–2011 di pedesaan terjadi kenaikan akses air minum layak dari 31,31 menjadi 46,02. Besarnya kenaikan yang terjadi yaitu +12,61.</span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com2tag:blogger.com,1999:blog-1806819028840906644.post-70441595501770775162018-01-07T23:49:00.002+07:002018-01-07T23:49:50.617+07:00[Kunci Jawaban] Di antara nilai p berikut yang memenuhi proporsi p/7 = 21/49 adalah ....<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>20. </b></span></span><span><span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Di antara nilai <i>p</i> berikut yang memenuhi proporsi <i>p</i>/7 = 21/49 adalah</b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;"> ....</b></span><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 3</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 6</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 6</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 16</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 20 Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span><br />
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
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<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;">A. 3</b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;"><i>p</i>/7 = 21/49</span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b><br /></b></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="color: red;"><b><span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">Nilai <i>p</i> yang memenuhi proporsi </span></span><i style="font-family: "times new roman", serif; font-size: 18.66px;">p</i><span style="font-family: "times new roman", serif; font-size: 18.66px;">/7 = 21/49?</span></b></span><br />
<span style="color: red;"><b><span style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></span></b></span>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">Untuk mengerjakan soal di atas kita bisa menggunakan metode kali silang antara pecahan di ruas kiri dan kanan, sehingga:</span><br />
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<br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi, nilai <i>p</i> yang memebuhi proporsi p/7 = 21/49 adalah 3 (A)</span><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">.</span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-76208223030865376642018-01-07T23:36:00.000+07:002018-01-07T23:36:04.281+07:00[Kunci Jawaban] Jarak antara dua kota pada peta adalah 2 cm. Jarak sebenarnya kedua kota sebenarnya adalah 80 km. Skala yang digunakan peta tersebut adalah ....<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>19. </b></span></span><span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Jarak antara dua kota pada peta adalah 2 cm. Jarak sebenarnya kedua </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">kota sebenarnya adalah 80 km. Skala yang digunakan peta tersebut </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">adalah ....</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 1 : 400.000</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 1 : 800.000</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 1 : 4.000.000</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 1 : 8.000.000</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 19 Uji Kompetensi<span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></span><br />
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
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<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;"><b style="font-size: 18.66px;">C. 1 : 4.000.000</b></b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">Jarak pada peta = 2 cm</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.66px;">Jarak sebenarnya = 80 km = 8.000.000 cm</span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b><br /></b></span>
<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="color: red; font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b>Skala yang digunakan peta?</b></span></span><br />
<span style="color: red; font-family: times new roman, serif;"><span style="font-size: 18.66px;"><b><br /></b></span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman", serif; font-size: 18.66px;">Skala = Jarak pada peta : Jarak sebenarnya</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">Skala = 2 : 8.000.000</span><br />
<span style="font-family: "times new roman", serif; font-size: 18.66px;">Skala = 1 : 4.000.000</span><br />
<br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi skala yang digunakan peta adalah 1 : 4.000.000 (C)</span><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">.</span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-12249507624408932022018-01-07T23:29:00.000+07:002018-01-07T23:36:36.740+07:00[Kunci Jawaban] Jika (a + b) : (a – b) = 1 : 5, maka (a^2 – b^2) : (a^2 + b^2) sama dengan ....<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>18. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Jika (<i>a</i> + <i>b</i>) : (<i>a</i> – <i>b</i>) = 1 : 5, maka (<i>a</i></b></span></span><sup><span style="font-family: "times new roman" , serif; font-size: 12.0pt; line-height: 107%;">2</span></sup><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b> – <i>b</i></b></span></span><sup><span style="font-family: "times new roman" , serif; font-size: 12.0pt; line-height: 107%;">2</span></sup><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>) : (<i>a</i></b></span></span><sup><span style="font-family: "times new roman" , serif; font-size: 12.0pt; line-height: 107%;">2</span></sup><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b> + <i>b</i></b></span></span><sup><span style="font-family: "times new roman" , serif; font-size: 12.0pt; line-height: 107%;">2</span></sup><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>) sama dengan ....</b></span></span><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 2 : 3</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 5 : 13</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 3 : 4</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 9 : 7</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 18 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span><br />
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
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<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;"><b style="font-size: 18.66px;">B. 5 : 13</b></b></span></span><br />
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b><br /></b></span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(<i>a</i> + <i>b</i>) : (<i>a</i> – <i>b</i>) = 1 : 5</span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b><br /></b></span>
<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;"><span style="font-size: 18.66px;"><span style="font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b>(<i>a</i></b></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b> – <i>b</i></b></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b>) : (<i>a</i></b></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b> + <i>b</i></b></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b>) = ....</b></span></span></span></span></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<b style="font-family: "times new roman", serif; font-size: 18.66px;">(<i>a</i> + <i>b</i>) : (<i>a</i> – <i>b</i>) = 1 : 5</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">(<i>a</i> + <i>b</i>) = 1</b><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><b style="font-size: 18.66px;">(<i>a</i> – <i>b</i>) = 5</b></span><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Pertama-tama kita tentukan nilai <i>a</i> dan <i>b </i> dengan menggunakan metode eliminasi dan subtitusi berikut ini:</span><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Selanjutnya kita subtitusikan <i>b</i> = </span><b style="font-family: "times new roman", serif; font-size: 18.66px;">–</b><span style="font-family: "times new roman" , serif; font-size: 18.66px;">2 ke dalam persamaan (</span><i style="font-family: "times new roman", serif; font-size: 18.66px;">a </i><span style="font-family: "times new roman" , serif; font-size: 18.66px;">+ </span><i style="font-family: "times new roman", serif; font-size: 18.66px;">b</i><span style="font-family: "times new roman" , serif; font-size: 18.66px;">) = 1, sehingga:</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i style="font-size: 18.66px;">b</i><span style="font-size: 18.66px;"> = </span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">–</b><span style="font-family: "times new roman" , serif; font-size: 18.66px;">2</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-size: 18.66px;">(</span><i style="font-size: 18.66px;">a </i><span style="font-size: 18.66px;">+ </span><i style="font-size: 18.66px;">b</i><span style="font-size: 18.66px;">) = 1</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><i>a</i> </span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">–</b><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"> 2 = 1</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><i>a</i> = 1 </span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">+ </b><span style="font-family: "times new roman" , serif; font-size: 18.66px;">2</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>a</i> = 3</span><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Setelah kita mendapatkan nilai untuk <i>a</i> dan <i>b</i>, selanjutnya kita masukkan ke dalam persamaan </span><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b>(<i>a</i></b></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b> – <i>b</i></b></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b>) : (<i>a</i></b></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b> + <i>b</i></b></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"><b>)</b></span></span><br />
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">(<i>a</i></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"> – <i>b</i></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">) : (<i>a</i></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"> + <i>b</i></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">)</span></span></span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">= (3</span></span></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"> – (</span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">–</b><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">2)</span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">) : (3</span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"> + (</span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">–</b><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">2)</span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">)</span></span><br />
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">= (9 </span></span></span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">– </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">4) : (9 </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">+ 4)</span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 5</span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> : 13</span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi persamaan </span><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">(<i>a</i></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"> – <i>b</i></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">) : (<i>a</i></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;"> + <i>b</i></span></span><sup style="font-family: "Times New Roman";"><span style="font-family: "times new roman" , serif; font-size: 12pt; line-height: 17.12px;">2</span></sup><span style="font-family: "times new roman" , serif; font-size: small;"><span style="font-size: 18.66px;">) senilai dengan perbandingan 5 : 13 (B).</span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-81085995248203432018-01-01T15:45:00.003+07:002018-01-07T23:36:48.901+07:00[Kunci Jawaban] Reni mengoleksi buku bacaan berupa novel sebanyak 72 buku. Rasio jumlah novel ber-genre drama dan misteri adalah 7 : 5. Banyak novel misteri yang harus Reni beli lagi supaya rasio kedua genre novel tersebut menjadi 1 : 1 adalah ....<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>17. </b></span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Reni mengoleksi buku bacaan berupa novel sebanyak 72 buku. Rasio </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">jumlah novel ber-genre drama dan misteri adalah 7 : 5. Banyak novel </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">misteri yang harus Reni beli lagi supaya rasio kedua genre novel </b><span style="font-size: 18.66px;"><span style="font-family: "times new roman" , serif;"><b>tersebut menjadi 1 : 1 adalah </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">....</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 9</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 12</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 22</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 24</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 17 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span><br />
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
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<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;"><b style="font-size: 18.66px;">B. 12</b></b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Jumlah novel = 72</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">7 drama : 5 misteri</span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;"><span style="font-size: 18.66px;"><span style="font-size: 18.66px;"><span style="font-size: 18.66px;">Banyak novel </span><span style="font-size: 18.66px;">misteri yang harus dibeli agar rasio kedua genre novel </span><span style="font-family: "times new roman"; font-size: 18.66px;"><span style="font-family: "times new roman" , serif;">tersebut menjadi 1 : 1?</span></span></span></span></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Jumlah novel drama = 7/12 x 72 </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">novel</span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"> = 42 </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">novel</span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"> drama</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Jumlah </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">novel</span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"> misteri = 72 </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">novel</span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"> <b style="font-size: 18.66px;">–</b> 42 </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">novel</span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"> = 30 </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">novel</span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"> misteri</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Jumlah </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">novel</span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"> misteri yang harus dibeli agar perbandingan 1 : 1</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">= 42 novel drama <b style="font-size: 18.66px;">–</b> 30 novel misteri = 12 novel misteri</span></span><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi, </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-size: 18.66px;">banyak novel </span><span style="font-size: 18.66px;">misteri yang harus dibeli agar rasio kedua genre novel </span><span style="font-family: "times new roman"; font-size: 18.66px;"><span style="font-family: "times new roman" , serif;">tersebut menjadi 1 : 1</span></span> adalah 12 buku novel misteri (B).</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4jGG2IrZnDqwNCi5Qjlsh8OsLUxPhrJLvzwsLkDXbo3jIaDu90i1T-O4HbrSNGq43s4Mbxj3CgczAIB0BvLm3AzCLzqJegqWWjUM_LeCGbr8OXmJLWN6A-rzhzoXA25XsTfYaFSDwyjfH/s1600/ROFA+JPG.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1063" data-original-width="1424" height="297" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4jGG2IrZnDqwNCi5Qjlsh8OsLUxPhrJLvzwsLkDXbo3jIaDu90i1T-O4HbrSNGq43s4Mbxj3CgczAIB0BvLm3AzCLzqJegqWWjUM_LeCGbr8OXmJLWN6A-rzhzoXA25XsTfYaFSDwyjfH/s400/ROFA+JPG.jpg" width="400" /></a></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-12530293993686369182018-01-01T15:34:00.000+07:002018-01-07T23:37:00.653+07:00[Kunci Jawaban] Jika a : b = 3 : 4, maka (6a + b) : (4a + 5b) adalah ....<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>16. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Jika <i>a</i> : <i>b</i> = 3 : 4, maka (6<i>a</i> + <i>b</i>) : (4<i>a</i> + 5<i>b</i>) adalah ....</b></span></span><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 1 : 2</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 3 : 5</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 7 : 8</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 11 : 16</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 16 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span><br />
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
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<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;"><b style="font-size: 18.66px;">D. 11 : 16</b></b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>a</i> : <i>b</i> = 3 : 4</span><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;"><span style="font-size: 18.66px;"><span style="font-size: 18.66px;"><span style="font-size: 18.66px;">(6<i>a</i> + <i>b</i>) : (4<i>a</i> + 5<i>b</i>) = ....</span></span></span></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span><br />
<i style="font-family: "times new roman", serif; font-size: 18.66px;">a</i><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> : </span><i style="font-family: "times new roman", serif; font-size: 18.66px;">b</i><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> = 3 : 4</span><br />
<i style="font-family: "times new roman", serif; font-size: 18.66px;">a </i><span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 3</span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><i>b</i> = 4</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">(6<i>a</i> + <i>b</i>) : (4<i>a</i> + 5<i>b</i>) = ((6 x 3) + 4)) : ((4 x 3) + (5 x 4))</span></span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">= (18 + 4) : (12 + 20)</span></span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">= 22 : 32</span></span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">= 11 : 16</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi nilai untuk </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">(6</span><i style="font-family: "times new roman", serif; font-size: 18.66px;">a</i><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> + </span><i style="font-family: "times new roman", serif; font-size: 18.66px;">b</i><span style="font-family: "times new roman" , serif; font-size: 18.66px;">) : (4</span><i style="font-family: "times new roman", serif; font-size: 18.66px;">a</i><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> + 5</span><i style="font-family: "times new roman", serif; font-size: 18.66px;">b</i><span style="font-family: "times new roman" , serif; font-size: 18.66px;">) adalah 11 : 16</span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> (D).</span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-29218678073011166242018-01-01T15:05:00.001+07:002018-01-08T00:41:59.671+07:00[Kunci Jawaban] Sebuah foto berukuran 3 cm × 4 cm. Apabila foto diperbesar dan sisi yang paling panjang menjadi 9 cm, maka panjang sisi terpendek menjadi ....<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>15. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Sebuah foto berukuran 3 cm × 4 cm. Apabila foto diperbesar dan </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">sisi yang paling panjang menjadi 9 cm, maka panjang sisi terpendek </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">menjadi ....</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 3,75 cm</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 4,75 cm</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 6,75 cm</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 7,75 cm</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 15 </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span><br />
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
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<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;"><b style="font-size: 18.66px;">C. 6,75 cm</b></b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">3 cm panjang = 4 cm lebar</span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b><br /></b></span>
<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;"><span style="font-size: 18.66px;"><span style="font-size: 18.66px;">Panjang sisi terpendek apabila panjang sisi terpanjang jadi 9 cm</span></span><span style="font-size: 18.66px;">?</span></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Untuk mengerjakan soal di atas kita akan menggunakan rumus perbandingan senilai, dimana:</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYV78IDHfDnlfhMgCjB64EPqCsmlGXzUMCOK-tdM6BysKRHazYf82psvTmmIzFZ9KariHOFQJP_ajKweB5u6LGXZaQ4YWgOIetcbLLXOkLLzfk4xZqvGaC0vO4GsHKUXwC6RDrVCXYk9wn/s1600/Rumus+Perbandingan+Senilai.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="87" data-original-width="130" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYV78IDHfDnlfhMgCjB64EPqCsmlGXzUMCOK-tdM6BysKRHazYf82psvTmmIzFZ9KariHOFQJP_ajKweB5u6LGXZaQ4YWgOIetcbLLXOkLLzfk4xZqvGaC0vO4GsHKUXwC6RDrVCXYk9wn/s1600/Rumus+Perbandingan+Senilai.png" /></a></div>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Sehingga:</span><br />
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">3 cm panjang = 4 cm lebar</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><i>x</i> lebar = 9 cm lebar</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">3/4 =</span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>x</i>/9</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>x</i> = (3 x 9)/4</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>x</i> = 6,75 cm</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="font-size: 18.66px;">panjang sisi terpendek apabila panjang sisi terpanjang jadi 9 cm adalah 6,75 cm (C).</span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-85818520620219351092018-01-01T14:55:00.000+07:002018-01-07T23:37:22.004+07:00[Kunci Jawaban] Emilia akan menggunakan petunjuk yang tertera pada kemasan sirup rasa melon.“Tambahkan 13 cangkir air untuk setiap 2 cangkir sirup rasa melon.” Di antara proporsi berikut yang dapat digunakan untuk menentukan w, banyak cangkir air yang harus Emilia tambahkan untuk 5 cangkir sirup rasa melon adalah ...<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>14. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Emilia akan menggunakan petunjuk yang tertera pada kemasan sirup </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">rasa melon.</b><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>“Tambahkan 13 cangkir air untuk setiap 2 cangkir sirup rasa melon.” </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">Di antara proporsi berikut yang dapat digunakan untuk menentukan </b><b style="font-family: "times new roman", serif; font-size: 18.66px;"><i>w</i>, banyak cangkir air yang harus Emilia tambahkan untuk 5 cangkir </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">sirup rasa melon adalah ...</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">13/2 = <i>w</i>/5</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">13/2 = 5/<i>w</i></b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">13/5 = <i>w</i>/2</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">5/2 = 13/<i>w</i></b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 14 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span><br />
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><br /></span></b>
<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
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<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;"><b style="font-size: 18.66px;">A. </b><b style="font-size: 18.66px;">13/2 = <i>w</i>/5</b></b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">13 cangkir air = 2 cangkir sirup</span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;"><span style="font-size: 18.66px;"><span style="font-size: 18.66px;">Proporsi banyak cangkir air yang harus ditambahkan untuk 5 cangkir </span><span style="font-size: 18.66px;">sirup</span></span><span style="font-size: 18.66px;">?</span></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Untuk mengerjakan soal di atas kita akan menggunakan rumus perbandingan senilai, dimana:</span><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Sehingga:</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">13 cangkir air = 2 cangkir sirup</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><i>w</i> = 5 cangkir sirup</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">13/2 = <i>w</i>/5</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">proporsi banyak cangkir air yang harus ditambahkan untuk 5 cangkir </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">sirup</span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">13/</span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">2 </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">= </span><i style="font-family: "times new roman", serif; font-size: 18.66px;">w</i><span style="font-family: "times new roman" , serif; font-size: 18.66px;">/5 </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">(A).</span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-52949541952995980632018-01-01T14:32:00.001+07:002018-01-07T23:37:32.605+07:00[Kunci Jawaban] Dalam tabel informasi nilai gizi pada kemasan biskuit yang dimiliki Dian menyatakan bahwa 16 keping biskuit mengandung 24 gram karbohidrat. Dian memakan 12 keping biskuit. Kandungan karbohidrat dalam 12 biskuit?<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>13. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Dalam tabel informasi nilai gizi pada kemasan biskuit yang dimiliki </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">Dian menyatakan bahwa 16 keping biskuit mengandung 24 gram </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">karbohidrat. Dian memakan 12 keping biskuit. Kandungan karbohidrat </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">dalam 12 biskuit?</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">8 gram</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 12 </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">gram</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 18 </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">gram</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 20 </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">gram</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 13 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;">C. 18 gram</b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">16 keping = 24 gram karbohidrat</span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;"><span style="font-size: 18.66px;">Kandungan karbohidrat </span><span style="font-size: 18.66px;">dalam 12 biskuit?</span></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">16 keping = 24 gram karbohidrat</span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">12 keping = ?</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Kandungan karbohidrat dalam 12 biskuit = 12/16 x 24 gram karbohidrat</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">= 18 gram karbohidrat</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi kandungan karbohidrat dalam 12 keping biskuit adalah 18 gram (C).</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4jGG2IrZnDqwNCi5Qjlsh8OsLUxPhrJLvzwsLkDXbo3jIaDu90i1T-O4HbrSNGq43s4Mbxj3CgczAIB0BvLm3AzCLzqJegqWWjUM_LeCGbr8OXmJLWN6A-rzhzoXA25XsTfYaFSDwyjfH/s1600/ROFA+JPG.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1063" data-original-width="1424" height="297" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4jGG2IrZnDqwNCi5Qjlsh8OsLUxPhrJLvzwsLkDXbo3jIaDu90i1T-O4HbrSNGq43s4Mbxj3CgczAIB0BvLm3AzCLzqJegqWWjUM_LeCGbr8OXmJLWN6A-rzhzoXA25XsTfYaFSDwyjfH/s400/ROFA+JPG.jpg" width="400" /></a></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-74943411789602508092018-01-01T14:26:00.000+07:002018-01-07T23:38:15.600+07:00[Kunci Jawaban] Dalam lahan parkir suatu sekolah, 21 dari 25 sepeda yang terparkir tidak memiliki boncengan di belakang. Persentase dari sepeda yang tidak memiliki boncengan di belakang adalah ....<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>12. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Dalam lahan parkir suatu sekolah, 21 dari 25 sepeda yang terparkir </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">tidak memiliki boncengan di belakang. Persentase dari sepeda yang </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">tidak memiliki boncengan di belakang adalah ....</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">21%</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 46%</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 84%</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 96%</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 12 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;"><b style="font-size: 18.66px;">C. 84%</b></b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jumlah sepeda = 25</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Sepeda tidak memiliki boncengan = 21</span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">Persentase sepeda yang tidak memiliki boncengan?</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">% sepeda tidak memiliki boncengan = 21/25 x 100% </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 84%</span><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi persentase sepeda yang tidak memiliki boncengan adalah 84% (C).</span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-30821047024085427782018-01-01T14:18:00.003+07:002018-01-07T23:38:26.413+07:00[Kunci Jawaban] Tabel berikut menunjukkan kecepatan empat merek printer. Printer manakah yang mencetak paling cepat?<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>11. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Tabel berikut menunjukkan kecepatan empat merek printer.</b></span></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnjbS8HYawRQAqYusrKSaY9Dzazx3wbWKuMiu27Tv1SyIYLyPTBm0vI6Q5NMuezzckWbPWtKv_dA2_MFajgyCyo87Ni_fT8cvx4vrInIVA2sukERxFQCsv6rtCtdB1k8kuY_FmSbTk3F29/s1600/11+UK.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="198" data-original-width="580" height="136" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnjbS8HYawRQAqYusrKSaY9Dzazx3wbWKuMiu27Tv1SyIYLyPTBm0vI6Q5NMuezzckWbPWtKv_dA2_MFajgyCyo87Ni_fT8cvx4vrInIVA2sukERxFQCsv6rtCtdB1k8kuY_FmSbTk3F29/s400/11+UK.JPG" width="400" /></a></div>
<b style="font-family: "times new roman", serif; font-size: 18.66px;">Printer manakah yang mencetak paling cepat?</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Roboprint</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">Voldeprint</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">BiTech Plus</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">EL Pro</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 11 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;">A. </b><b style="font-size: 18.66px;">Roboprint</b></span></span><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Roboprint = 2 lembar/detik</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Voldeprint = 1 lembar/2 detik</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">BiTech Plus = 160 lembar/2 menit</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">EL Pro = 100 lembar/menit</span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">Printer manakah yang mencetak paling cepat?</span></span></div>
<div style="font-family: "times new roman"; font-size: 16px;">
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Supaya bisa membandingkan maka kita harus menyamakan satuan dari kecepatan beberapa printer ke dalam satuan lembar/detik.</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><b>Roboprint</b></span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 2 lembar/detik</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><b>Voldeprint</b></span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 1 lembar/2 detik</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 0,5 lembar/detik</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><b>BiTech Plus</b></span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 160 lembar/2 menit</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 160 lembar/120 detik</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 1,3 lembar/detik</span><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b>
<b style="font-family: "times new roman", serif; font-size: 18.66px;">EL Pro</b><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 100 lembar/menit</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 100 lembar/60 detik</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">= 1,7 lembar/detik</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Jadi printer merek Roboprint merupakan printer tercepat karena mampu mencetak dengan kecepatan 2 lembar/detik (A).</span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-64297558170586648042017-12-22T17:07:00.000+07:002017-12-22T17:07:38.756+07:00[Pendidikan] Kita semua pada akhirnya sepakat, jika pendidikan itu membahagiakan<div style="text-align: justify;">
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">Semua orang yang sudah selesai dengan pendidikan formalnya (sekolah) pasti pernah berpikiran atau mengalami kejadian seperti ini:</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">- Buat apa belajar?</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">- Gurunya kok enggak adil dalam memberi nilai?</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">- Belajarnya membosankan!</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">- PR nya kebanyakan! Orang gila aja bisa jadi waras kalau dikasih PR sebanyak ini!</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">- Gurunya galak!</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">- Gurunya jarang masuk kelas, sekalinya masuk langsung ulangan</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;"><br /></span></span>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">Ya, intinya kita tidak pernah mengerti untuk apa kita dijejali banyak ilmu yang kita tidak tahu untuk apa dan kegunaannya apa?</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;"><br /></span></span>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">Tapi pada akhirnya, setelah kamu dewasa nanti, setelah kamu selesai dengan pendidikan formalmu, kamu akan menyadari pentingnya pendidikan.</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;"><br /></span></span>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">Lalu sambil tersenyum, kita semua pada akhirnya akan sepakat, jika pendidikan itu membahagiakan.</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;"><br /></span></span>
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">#Pendidikan</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">#GuruGalak</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">#BanyakPR</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">#PendidikanItuMembahagiakan</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">#SebarkanPencerahan</span></span><br />
<span style="font-family: times new roman, serif;"><span style="font-size: 18.6667px;">#ROFAEducationCentre</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.6667px;">#SebarkanPencerahan</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.6667px;">#ROFAEducationCentre</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.6667px;">#PembelajaranMenyenangkan</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.6667px;">#MuridBosan</span></span></div>
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<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.6667px;"><b>Jangan lupa ikuti kami:</b></span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-12206550052716844432017-12-20T22:25:00.002+07:002018-01-07T23:38:39.108+07:00[Kunci Jawaban] Pak Ikhsan mengendarai mobil dari rumahnya ke kota tempat beliau bekerja sejauh 276 mil dengan kecepatan rata-rata 62 mil per jam. Di akhir pekan, beliau pulang ke rumahnya dengan menempuh perjalanan selama 6,5 jam. Di antara pernyataan berikut yang sesuai dengan kondisi di atas adalah ...<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>10. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Pak Ikhsan mengendarai mobil dari rumahnya ke kota tempat beliau </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">bekerja sejauh 276 mil dengan kecepatan rata-rata 62 mil per jam. Di </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">akhir pekan, beliau pulang ke rumahnya dengan menempuh perjalanan </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">selama 6,5 jam. Di antara pernyataan berikut yang sesuai dengan </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">kondisi di atas adalah ...</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>A. Kecepatan yang ditempuh Pak Ikhsan saat pulang sekitar 2 mil per </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">jam lebih cepat dari keberangkatan.</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>B. Kecepatan yang ditempuh Pak Ikhsan saat pulang sekitar 2 mil per </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">jam lebih lambat dari keberangkatan.</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>C. Kecepatan yang ditempuh Pak Ikhsan saat pulang sekitar 20 mil </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">per jam lebih cepat dari keberangkatan.</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>D. Kecepatan yang ditempuh Pak Ikhsan saat pulang sekitar 20 mil </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">per jam lebih lambat dari keberangkatan.</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 10 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>D. Kecepatan yang ditempuh Pak Ikhsan saat pulang sekitar 20 mil </b></span></span><b style="font-size: 18.66px;">per jam lebih lambat dari keberangkatan.</b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Jarak = 276 mil</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Kecepatan rata-rata berangkat kerja = 62 mil/jam</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Waktu tempuh pulang kerja = 6,5 jam</span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">Pernyataan yang sesuai dengan kondisi Pak Ikhsan?</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Waktu tempuh berangkat kerja = jarak : kecepatan</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">= 276 mil : 62 mil/jam = 4,45 jam = 4,5 jam</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Waktu tempuh pulang kerja = 6,5 jam</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Kecepatan rata-rata mobil di akhir pekan = jarak : waktu</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">= 276 mil : 6,5 jam = 42,5 mil/jam</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Selisih kecepatan ketika berangkat dan pulang kerja</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">= </span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">62 mil/jam </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">– </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;">42,5 mil/jam = 19,5 mil/jam = 20 mil/jam</span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Berdasarkan hasil perhitungan di atas dapati disimpulkan bahwa </span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>kecepatan yang ditempuh Pak Ikhsan saat pulang sekitar 20 mil </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">per jam lebih lambat dari keberangkatan (D).</b></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-72588796415404171502017-12-20T22:11:00.001+07:002018-01-07T23:38:49.632+07:00[Kunci Jawaban] Jamila adalah seorang perancang busana muda. Dia ingin membuka toko yang khusus menjual baju rancangannya di sebuah ruko. Dia menggambar rancangan toko seperti berikut.<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>9. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Jamila adalah seorang perancang busana muda. Dia ingin membuka </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">toko yang khusus menjual baju rancangannya di sebuah ruko. Dia </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">menggambar rancangan toko seperti berikut.</b><br />
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Skala: </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">1/2 </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">in = 3 meter</b></div>
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Lebar toko pada gambar adalah </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">2 in. Lebar toko sebenarnya yang </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">ingin dibuat Jamila adalah ... meter</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 3</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 6</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 9</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 12</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 9 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b style="font-size: 18.66px;">D. 12</b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">1/2 in = 3 meter</span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">Lebar toko 2 in dalam meter?</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"></span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">1/2 in = 3 meter</span></span><br />
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">1 in = 6 meter</span></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>2 in = 12 meter</b></span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-68502778809446038942017-12-20T17:34:00.001+07:002018-01-07T23:39:00.492+07:00[Kunci Jawaban] Pak Bambang dan keluarga, berencana pulang kampung dari Medan ke Padang saat libur hari raya. Untuk itu, dia membagi dua hari perjalanannya. Hari pertama beliau menempuh perjalanan 358 km dan untuk hari kedua beliau tempuh sejauh 370 km. Konsumsi rata-rata mobil yang dimiliki Bambang adalah 20 km/liter. Penggunaan BBM yang dibutuhkan mobil Pak Bambang dari Medan sampai Padang adalah ...<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>8. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Pak Bambang dan keluarga, berencana pulang kampung dari Medan </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">ke Padang saat libur hari raya. Untuk itu, dia membagi dua hari </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">perjalanannya. Hari pertama beliau menempuh perjalanan 358 km dan </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">untuk hari kedua beliau tempuh sejauh 370 km. Konsumsi rata-rata </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">mobil yang dimiliki Bambang adalah 20 km/liter. Penggunaan BBM </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">yang dibutuhkan mobil Pak Bambang dari Medan sampai Padang </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">adalah ...</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 18 liter</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 20 liter</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 35 liter</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 38 liter</b><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 8 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Tidak ada jawaban, salah soal</b></span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Perjalanan hari pertama = 358 Km</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Perjalanan hari kedua = 370 km</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">1 Liter = 20 Km</span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">Jumlah BBM yang dibutuhkan dari Medan sampai Padang?</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Jarak yang ditempuh = 358 Km + 370 Km = 728 Km</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">BBM yang diperlukan = 728 Km : 20 Km = 36,4 Liter</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Karena konsumsi BBM mobil yang diberikan dalam bentuk rata-rata, maka pendekatan yang paling dekat untuk konsumsi BBM sesuai opsi jawaban adalah 35 liter.</span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-800853370135620372017-12-20T17:08:00.001+07:002018-01-07T23:39:11.526+07:00[Kunci Jawaban] 5 ons meises cokelat dijual seharga Rp10.000,00. Di antara grafik berikut yang menunjukkan hubungan antara berat dan harga meises cokelat yang dijual adalah ...<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>7. </b></span></span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>5 ons meises cokelat dijual seharga Rp10.000,00. Di antara grafik </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>berikut yang menunjukkan hubungan antara berat dan harga meises </b></span></span><span style="font-size: 18.66px;"><span style="font-family: "times new roman" , serif;"><b>cokelat yang dijual adalah ...</b></span></span><br />
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 7 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b></div>
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Tidak ada jawaban, salah soal</b></span></span><br />
<span style="color: red; font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b><br /></b></span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">5 ons = Rp10.000</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">Grafik yang menunjukkan hubungan berat dan harga meises?</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<div style="font-family: "Times New Roman"; font-size: medium;">
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">5 ons = Rp10.000</span></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">1 ons = Rp2.000</span></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><br /></span></span></div>
<div style="font-family: "Times New Roman"; font-size: medium;">
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Berarti kita dapat menyimpulkan:</span></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">2 ons = Rp4.000</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">3 ons = Rp6.000</span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">4 ons = Rp8.000</span></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">dst.</span></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Berdasarkan opsi jawaban yang tersedia, <b>tidak ada grafik yang sesuai</b> untuk menunjukkan hubungan antara massa benda dengan harga meises.</span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-23848419860936381342017-12-20T02:42:00.000+07:002018-01-07T23:39:52.583+07:00[Kunci Jawaban] Suatu pekerjaan dapat diselesaikan selama 16 hari oleh 7 orang. Jika 3 pekerja ditugaskan ke pekerjaan lain, lama waktu yang bisa diselesaikan oleh pekerja yang tersisa adalah ....<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>6. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Suatu pekerjaan dapat diselesaikan selama 16 hari oleh 7 orang. </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">Jika 3 pekerja ditugaskan ke pekerjaan lain, lama waktu yang bisa </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">diselesaikan oleh pekerja yang tersisa adalah ....</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 28 hari</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 30</b><b style="font-family: "times new roman", serif; font-size: 18.66px;"> hari</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 32</b><b style="font-family: "times new roman", serif; font-size: 18.66px;"> hari</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 35</b><b style="font-family: "times new roman", serif; font-size: 18.66px;"> hari</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 6 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><span style="color: red;">A. 28 hari</span></b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">16 hari = 7 orang</span></span><br />
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">Jika 3 pekerja ditugaskan ke pekerjaan lain, berapa lama waktu pekerjaan?</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<div style="font-family: "times new roman"; font-size: 16px;">
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">16 hari = 7 orang</span></div>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">jumlah pekerja sekarang = 7 orang </span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">– 3 orang = 4 orang</span></span><br />
<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;">Lama waktu pengerjaan = 7/4 x 16 hari = <b>28 hari</b></span></span></div>
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Rofahttp://www.blogger.com/profile/06051451865647531381noreply@blogger.com0tag:blogger.com,1999:blog-1806819028840906644.post-50602625434302133132017-12-20T02:26:00.001+07:002018-01-07T23:40:03.689+07:00[Kunci Jawaban] Pak Hendra digaji Rp360.000,00 selama 3 jam untuk memberikan pelatihan di tempat kursus. Waktu yang Pak Hendra gunakan untuk pelatihan jika beliau mendapatkan gaji Rp7.200.000,00 adalah ...<div style="font-family: "times new roman"; font-size: 16px; margin: 0px;">
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<b style="color: red; font-family: "times new roman",serif; font-size: 18.66px; text-align: justify;">Pertanyaan:</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 16px;"><span style="font-size: 18.66px;"><b>5. </b></span></span><span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Pak Hendra digaji Rp360.000,00 selama 3 jam untuk memberikan </b></span></span><b style="font-family: "times new roman", serif; font-size: 18.66px;">pelatihan di tempat kursus. Waktu yang Pak Hendra gunakan untuk </b><b style="font-family: "times new roman", serif; font-size: 18.66px;">pelatihan jika beliau mendapatkan gaji Rp7.200.000,00 adalah ...</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">A. 12 jam</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">B. 20 jam</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">C. 60 jam</b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;">D. 140 jam</b></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;">(Soal No. 5 </span><span style="font-family: "times new roman", serif; font-size: 18.66px;">Uji Kompetensi</span><span style="color: black; font-family: "times new roman" , serif; font-size: 18.66px;"> Bab Perbandingan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 2 Kelas 7, Kemendikbud)</span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;"><i></i><u></u><sub></sub><sup></sup><strike></strike><br /></span></b><b style="font-family: "times new roman",serif; font-size: 18.66px;"><span style="color: blue;">Jawaban:</span></b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><span style="color: red;">C. 60 jam</span></b><br />
<b style="font-family: "times new roman", serif; font-size: 18.66px;"><br /></b></div>
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<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Diketahui:</b></span></div>
<div style="font-family: "times new roman"; font-size: 16px;">
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Rp360.000 : 3 jam</span></div>
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<div style="font-family: "times new roman"; font-size: 16px;">
<span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Ditanya:</b></span></div>
<div style="font-family: "times new roman"; font-size: 16px;">
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><span style="color: red;">Lama waktu pelatihan jika Pak Hendra mendapat gaji Rp7.200.000?</span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span><span style="color: purple; font-family: "times new roman" , serif; font-size: 18.66px;"><b>Dijawab:</b></span></div>
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<div style="font-family: "times new roman"; font-size: 16px;">
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Rp360.000 : 3 jam</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">1 jam = Rp120.000</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><br /></span>
<span style="font-family: "times new roman" , serif; font-size: 18.66px;">Lama pelatihan = 7.200.000/120.000</span><br />
<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><b>= 60 jam</b></span></div>
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<span style="font-family: "times new roman" , serif;"><span style="font-size: 18.66px;"><b>Instagram:</b> <a href="https://www.instagram.com/rofaeducationcentre/" target="_blank">@rofaeducationcentre</a><span id="goog_1043867344"></span><span id="goog_1043867345"></span><a href="https://www.blogger.com/"></a></span></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><b>Fanspage FB:</b> <a href="https://web.facebook.com/ROFAEducationCentre/" target="_blank">@ROFAEducationCentre</a><span id="goog_1043867351"></span><span id="goog_1043867352"></span><a href="https://www.blogger.com/"></a></span></div>
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<span style="font-family: "times new roman" , serif; font-size: 18.66px;"><b>Youtube Chanel:</b> <a href="https://www.youtube.com/channel/UC_rScDnNH2XmXSUZhfAlB0w" target="_blank">ROFA EDUCATION CENTRE</a></span></div>
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<b style="font-family: "times new roman",serif; font-size: 18.66px;">Website:</b><span style="font-family: "times new roman" , serif; font-size: 18.66px;"> </span><span style="font-family: "times new roman" , serif; font-size: 18.66px;"><a href="http://www.rofaeducationcentre.com/" target="_blank">www.rofaeducationcentre.com</a></span></div>
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