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anyanavicka
[17]
3 years ago
11
The variable Z is directly proportional to X. When X is 6, Z has the value 18. What is the value of Z when X=10
Mathematics
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answer:
const2013
[10]
3 years ago
7
0
Make a proportion
6/18 = 10/z
Cross multiply
180 = 6z
180/6 = z
Z = 30
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