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Mathematics, 19.02.2021 16:30, ayoismeisalex
2. Purata bilangan panggilan telefon harian, C, di antara dua buah bandar berubah secara
langsung dengan populasi kedua-dua buah bandar, P1 dan P2, dan secara songsang
dengan kuasa dua jarak, j, di antara dua buah bandar tersebut. Jarak di antara bandar A
dengan bandar B ialah 210 km. Purata bilangan panggilan telefon harian di antara dua
buah bandar itu ialah 15 750 dan populasi bandar A dan bandar B masing-masing ialah
105 000 penduduk dan 220 500 penduduk. Dengan memberikan jawapan kepada nombor
bulat terhampir, hitung
(a) jarak di antara bandar P dengan bandar Q jika populasi masing-masing ialah
83 400 penduduk dan 62 000 penduduk dan purata bilangan panggilan telefon
harian ialah 19 151,
(b) populasi penduduk bandar J jika populasi penduduk bandar K ialah 1 100 000
penduduk dengan jarak di antara dua bandar tersebut ialah 351 km. Purata bilangan
panggilan telefon harian di antara bandar J dengan bandar K ialah 18 857.
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Answers: 1
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2. Purata bilangan panggilan telefon harian, C, di antara dua buah bandar berubah secara
langsung d...
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