Matematika

Pertanyaan

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1 Jawaban

  • 1)
    Volume = 7.200 dal = 7.200 × 100 = 720.000 liter
    Waktu = 1 jam
    Debit = volume/waktu = 720.000 liter/jam
    .
    2)
    Volume = 360 liter
    Waktu = 2 menit = 2×60 = 120 dtk.
    Debit = volume/waktu = 360/120 = 3 liter/dtk.
    .
    3) kurang jelas
    .
    4)
    Debit = 36 liter/dtk.
    Waktu = 07.30 - 06.45 = 06.90 - 06.45 = 45 menit = 45×60 = 2.700
    Volume = Waktu/debit = 2.700/36 = 75 liter = 75 ÷ 1.000 = 0,075 kl
    .
    5)
    Jarak = 195 km
    Waktu = 09.30 - 06.30 = 3 jam
    Kecepatan = Jarak/waktu = 195/3 = 65 km/jam
    .
    6)
    Jarak = 240 km
    Waktu = 12.00 - 07.00 = 5 jam
    Kecepatan = Jarak/waktu = 240/5 = 48 km/jam
    .
    MAAF KALO SALAH