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29 votes
29 votes
Y is directly proportional to x 2 . If y = 12 when x = 2 find x when y = 300

User Mark Good
by
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1 Answer

19 votes
19 votes
y ——> x 2

12 —-> 2 power 2

300 —-> ?

300 x 4 over 12 = 100

100= x squared

square root 100 = x = 10
User Brown KL
by
2.8k points
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