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26 February, 14:18

uppose that y varies inversely with x. Write an equation for the inverse variation. y = 2 when x = 5

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  1. 26 February, 14:29
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    An equation for the inverse variation y = 2 when x = 5 is:

    y=10/x

    Step-by-step explanation:

    Suppose that y varies inversely with x:

    y=k/x

    Write an equation for the inverse variation y = 2 when x = 5

    Substituting y by 2 and x by 5 in the formula above:

    2=k/5

    Solving for k: Multiplying both sides of the equation by 5:

    5 (2) = 5 (k/5)

    10=k

    k=10

    Then the equation is:

    y=k/x

    y=10/x
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