Matematika

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Tolong bantu jawab no. 25, 26, 27, pake caranya ya
Tolong bantu jawab no. 25, 26, 27, pake caranya ya

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1 Jawaban

  • 25.
    La = ( (9+15) : 2 ) x 6
    = 72
    V = 1/3 x La x t
    = 1/3 x 72 x 12
    = 288

    26.
    x² = ( x+10 ) ( x-10)

    27.
    f(x) = 6x - 7
    f(3) = 6(3) -7
    = 18 - 7
    = 11

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