spongebobby677 spongebobby677

01-06-2022
Mathematics

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

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01-06-2022

y ——> x 2

12 —-> 2 power 2

300 —-> ?

300 x 4 over 12 = 100

100= x squared

square root 100 = x = 10

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