Matematika

Pertanyaan

sebisa nya kalian...........
sebisa nya kalian...........

1 Jawaban

  • 11.
    Q = 140 mm³/menit
    t = 8 jam = 8 x 60 = 480 menit
    V = Q.t = 140 x 480 = 67.200 mm³ = 67.200 : 1.000 = 67,2 cm³

    12.
    t = 2 menit
    V = 80 cm³
    Q = V / t = 80 / 2 = 40 cm³/menit

    13.
    t = 3/4 jam = 3/4 x 60 = 45 menit
    V = 360 dm³
    Q = V/t = 360 / 45 = 8 dm³/menit

    14.
    Q = 250 cm³/menit
    t = 1/2 jam = 1/2 x 60 = 30 menit
    V = Q . t = 250 x 30 = 7.500 cm³ = 7.500 : 1.000 = 7,5 dm³

    15.
    t = 15 menit
    Q = 60 dm³/menit
    V = Q . t = 60 x 15 = 900 dm³ = 900 : 1.000 = 0,9 m³