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20-07-2017
Mathematics

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If y varies inversely as x, and y = 5 as x = -2, find y for the x-value of 3.

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olabido olabido

20-07-2017

y=k/x cross multiply xy=k y=5 x=-2 5x-2=k
k=-10
using the equation y=k/x y=-10/3 y=-3.3 or -10/3

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