Matematika

Pertanyaan

Tolong sma caranya
5soal
36,37,38,39,40
Tolong sma caranya 5soal 36,37,38,39,40

1 Jawaban

  • 36) ( - 3.500) ÷ ( -50) + 20 × ( - 350) + 700
    = 70 + ( - 7.000 ) + 700
    = ( - 6.930 ) + 700
    = ( - 6.230)

    37) r = ³√V
    r = ³√15.625
    r = 25 dm

    38) w = 15 mnt
    d = 250 dm³/mnt
    volume = w × d
    = 15 mnt × 250 dm³/mnt
    = 3.750 dm³
    = 3.750 ÷ 1.000
    = 3,75 m³

    39) d = 21 cm
    r = 21 ÷ 2 = 10,5 cm
    t = 100 cm
    V = π × r² × t
    = 22/7 × 10,5 × 10,5 × 100
    = 34.650 cm³

    40) bikin diagram sendiri ya dek ;)