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6 December, 20:48

If y varies directly as x, find k if y = 27 and x = 3.

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  1. 6 December, 23:08
    0
    k=9

    Step-by-step explanation:

    The formula for direct variation is

    y = kx

    We know y and x

    27 = k*3

    Divide each side by 3

    27/3 = 3k/3

    9 = k
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