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29-05-2017
Mathematics

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Suppose that y varies inversely with x. Use the information to find k, and then choose the equation of variation. x = 1.2 when y = 3.

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Аноним Аноним

29-05-2017

y = k/x where k is the constant of variation
y = 3 , x = 1.2 gives
3 = k/1.2
therefore
k = 3*1.2 = 3.6
and the required equation is

y = 3.6 / x

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