Matematika

Pertanyaan

tolong di jawab yang benar pake caranya
tolong di jawab yang benar pake caranya

2 Jawaban

  • 3.
    [tex]a) \: v = p \times l \times t \\ 1920 = 16 \times 10 \times t \\ t = \frac{1920}{160} \\ t = 12cm[/tex]

    [tex]b)v = p \times l \times t \\ 3960 = p \times 12 \times 22 \\ p = \frac{3960}{264} \\ p = 15cm[/tex]

    [tex]c)v = p \times l \times t \\ 5100 = 20 \times l \times 17 \\ l = \frac{5100}{340} \\ l = 15cm[/tex]

    [tex]d )v = p \times l \times t \\ 7500 = 25 \times l \times 15 \\ l = \frac{7500}{375} \\ l = 20cm[/tex]

    [tex]e)v = p \times l \times t \\ 4050 = p \times 9 \times 30 \\ p = \frac{4050}{270} \\ p = 15cm[/tex]

    [tex]f ) v = p \times l \times t \\ 8232 = 28 \times 14 \times t \\ t = \frac{8232}{392} \\ t = 21cm[/tex]

    4.
    [tex]v = p \times l \times t \\ \: \: \: \: = 216 \times 15 \\ \: \: \: \: = 3240 {cm}^{3} [/tex]

    5.
    [tex]v = p \times l \times t \\ 2600 = p \times 2p \times 13 \\ \frac{2600}{13} = {2p}^{2} \\ {2p}^{2} = 200 \\ {p}^{2} = 100 \\ p = \sqrt{100} = 10cm[/tex]

    MAAF KALAU SALAH
  • jawab

    3)

    a. V = p × l × t
    1.920 = 16 × 10 × t
    1.920 = 160 × t
    t = 1.920 / 160
    t = 12 cm

    b. V = p × l × t
    3.960 = p × 12 × 22
    3.960 = p × 264
    p = 3.960 / 264
    p = 15 cm

    c. V = p × l × t
    5.100 = 20 × l × 17
    5.100 = 340 × l
    l = 5.100 / 340
    l = 15 cm

    d. V = p × l × t
    7.500 = 25 × l × 15
    7.500 = 375 × l
    l = 7.500 / 375
    l = 20 cm

    e. V = p × l × t
    4.050 = p × 9 × 30
    4.050 = p × 270
    p = 4.050 / 270
    p = 15 cm

    f. V = p × l × t
    8.232 = 28 × 14 × t
    8.232 = 392 × t
    t = 8.232 / 392
    t = 21 cm

    4)

    V = luas alas × tinggi
    = 216 cm² × 15 cm
    = 3.240 cm³

    5)

    V = p × l × t
    2.600 = p × 13 × 2p
    2.600 = 2p² × 13
    2p² = 2.600 / 13
    2p² = 200
    p² = 200 / 2
    p² = 100
    p = √100
    p = 10 cm

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