jaebriielle jaebriielle

26-07-2017
Mathematics

contestada

The variable Z is directly proportional to X. When x is 10, Z has the value 190. What is the value of Z when x = 13?

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texaschic101 texaschic101

26-07-2017

10/190 = 13/z...if there directly proportional, make a proportion
cross multiply
(10)(z) = (190)(13)
10z = 2470
z = 2470/10
z = 247 <==

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