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Mathematics 13 Online
OpenStudy (anonymous):

Express the perimeter of an isosceles triangle with side lengths x, 5x, and 5x as a function of the side length.

hero (hero):

I just did this earlier

hero (hero):

P(x) = 11x

OpenStudy (anonymous):

How'd you get that?

hero (hero):

I added up all the sides

hero (hero):

and set it equal to the perimeter

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