17enash
17enash 17enash
  • 24-01-2021
  • Mathematics
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y is directly proportional to x squared. If y = 112 when x = 4 find x when y = 448

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davidoprea
davidoprea davidoprea
  • 24-01-2021

x²=y⇒x=√y

x=√112⇒10.583

x=√448⇒21.166

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