jaebriielle jaebriielle

19-07-2017
Mathematics

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The variable Z is directly proportional to X. When X is 6, has the value of 72. What is the value of Z when X = 13

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texaschic101 texaschic101

19-07-2017

6 / 72 = 13 / z
cross multiply
(6)(z) = (72)(13)
6z = 936
z = 936/6
z = 156 <==

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