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12 January, 11:26

Complete the equation of variation where y varies inversely as x and y = 80 when x = 0.7.

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  1. 12 January, 11:33
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    Y varies inversely with x

    means that y=k/x

    with x=0.7 and y=80

    we have 80=k/0.7

    k=0.7x80=56

    so the equation is

    y=56/x
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