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Math

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if y varies directly as x find the direct variation equation for the situation:

y=20 and x=16

  • Math - ,

    if y varies directly as x

    becomes

    y = kx, where k is a constant
    so if y=20 and x=16

    20 = 16k
    k=5/4

    therefore y = (5/4)x

    most of these question are that simple.

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