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OpenStudy (anonymous):
S is directly proportional to the square of r. When r is increased by 200%, find the percentage increase in s
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OpenStudy (anonymous):
800%
OpenStudy (anonymous):
Sorry, but do you have a solution for it?
OpenStudy (anonymous):
its 900
OpenStudy (anonymous):
Increasing r by 200% will triple it, as I answered in your previous question. Since you are tripling r and S is proportional to the square of r, you are multiplying S by 9, an increase of 800%
OpenStudy (anonymous):
Cool, thanks
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OpenStudy (anonymous):
Sorry, but could someone explain where 9 came from?
OpenStudy (anonymous):
as 9r^2/r^2 X 100 = 900
OpenStudy (anonymous):
?? Sorry bro, I'm freak'n confused ??
OpenStudy (anonymous):
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