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30 August, 11:50

If y varies inversely as x, and y = 3 when x = 6, find the value of x when y = 18.

36

6

9

1

Assume that y varies inversely with x and that y is 2 when x is 4. Which of the following is the equation of inverse variation?

y = 2x

xy = 8

y/x = 2

... ?

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Answers (1)
  1. 30 August, 11:53
    0
    If y varies inversely as x, and y = 3 when x = 6, find the value of x when y = 18.

    y = k/x

    k = 3 x 6 = 18

    18 = 18/x

    x = 1

    Assume that y varies inversely with x and that y is 2 when x is 4. Which of the following is the equation of inverse variation?

    y = k/x

    k = 2 x 4 = 8

    y = 8/x

    xy = 8

    Hope this answers the question. Have a nice day.
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