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18 July, 07:05

The variable Z is inversely proportional to X. When X is 6, Z has the value 2.

What is the value of Z when X = 13

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Answers (1)
  1. 18 July, 07:43
    0
    Inverse variation is of the form yx=k, so we can say our equation is:

    zx=k, we are given z=2 and x=6 so

    2 (6) = k

    12=k, then our equation is:

    zx=12, now when x=13

    13z=12

    z=12/13
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