Matematika

Pertanyaan

5-10 tolong ya buat test besok minggu
5-10 tolong ya buat test besok minggu

2 Jawaban

  • 5.
    Diketahui :
    - Volume = 180.000 liter = 180 m³
    - Waktu = 1 jam = 60 menit

    Ditanya : Debit = .....m³/menit?

    Penyelesaian :
    - Debit :
    D = V ÷ W
    D = 180 m³ ÷ 60 menit
    D = 3 m³/menit

    6.
    Diketahui :
    - Lama Waktu = 16.20 - 15.45 = 00.35 = 35 menit

    Ditanya : Lama Waktu = ....detik?

    Penyelesaian :
    - Lama Waktu :
    35 menit
    = 35 × 60 detik
    = 2.100 detik

    Jawaban : B. 2.100

    7.
    Diketahui :
    - Debit = 28 liter/menit
    - Waktu = 1 jam = 60 menit
    - Volume Drum = 1/5 Volume

    Ditanya : Volume Setiap Drum = ....?

    Penyelesaian :
    - Volume :
    V = D × W
    V = 28 liter/menit × 60 menit
    V = 1.680 liter

    - Volume Setiap Drum :
    V = 1/5 × 1.680 liter
    V = 336 liter

    Jawaban : B. 336

    8.
    Diketahui :
    - Volume = 1,8 m³ - 600 liter = 1.800 liter - 600 liter = 1.200 liter
    - Waktu = ½ jam = 30 menit

    Ditanya : Debit = ......liter/menit

    Penyelesaian :
    - Debit :
    D = V ÷ W
    D = 1.200 liter ÷ 30 menit
    D = 40 liter/menit

    Jawaban : D. 40

    9.
    Diketahui :
    - Waktu = 2,5 jam = 150 menit
    - Debit = 45 liter/menit

    Ditanya : Volume = .....liter?

    Penyelesaian :
    - Volume :
    V = D × W
    V = 45 liter/menit × 150 menit
    V = 6.750 liter

    10.
    Diketahui :
    - Waktu = 09.05 - 08.45 = 00.20 = 20 menit = ⅓ jam
    - Volume = 120 liter

    Ditanya : Debit = .....liter/jam

    Penyelesaian :
    - Debit :
    D = V ÷ W
    D = 120 liter ÷ ⅓ jam
    D = 120 liter/jam × 3
    D = 360 liter/jam

    Maaf Kalau Salah
  • 5) 180.000 liter/jam
    = 180.000 × ( 1/1.000 ÷ 60 )
    = 180.000 × ( 1/1.000 × 1/60 )
    = 180.000 × 1/60.000
    = 3 m³/mnt ( D )

    6) lama = 16.20 - 15.45 = 35 mnt
    35 mnt × 60 = 2.100 detik ( B )

    7) V = d × w
    = 28 liter/mnt × 1 jam
    = 28 liter/mnt × 60 mnt
    = 1.680 liter ( C )

    8) Volume yg diisi = 1,8 m³ - 600 liter = 1800 liter - 600 liter = 1.200 liter
    d = v ÷ w
    = 1.200 liter ÷ ½ jam
    = 1.200 liter ÷ 30 mnt
    = 40 liter/mnt ( D )

    9) V = d × w
    = 45 liter/mnt × 2,5 jam
    = 45 liter/mnt × 150 mnt
    = 6.750 liter

    10) w = 09.05 - 08.45 = 20 mnt
    d = v ÷ w
    = 120 liter ÷ 20 mnt
    = 120 ÷ ⅓ jam
    = 360 liter/jam