03-12-2017
Mathematics

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Find Y when X equals 14 if y varies directly with x to the second power and y =72 when x=6

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jutipzndh jutipzndh

03-12-2017

[tex]y = kx ^{2} \\ 72 = k({6}) ^{2} \\ k = 2 \\ y = k(14)^{2} \\ y = 2 \times {14}^{2} \\ y = 392 \\ [/tex]

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