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24 September, 14:36

Y varies inversely to x. If y = 7 when x = - 4, what is y when x = 5?

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  1. 24 September, 17:00
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    Step-by-step explanation:

    y*1/x

    y=k/x where k is the constant of variation

    when y=7, x=-4

    7=k/-4

    k=-28

    when x=5

    y=-28/5

    note: * is used as symbol of variation
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