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Mathematics 8 Online
OpenStudy (anonymous):

One side of Riley's square postage stamp is expressed as 5x+2. What is the perimeter and area of the stamp? FAN+MEDAL!!!!!! HELP!!!!!!!!

OpenStudy (anonymous):

For the area I got \[25x ^{2}+20x+4\]

OpenStudy (anonymous):

since a square has all equal sides, and there are four of them, you can do this by multiplying \[4(5x+2)\]

OpenStudy (anonymous):

Is it right?

OpenStudy (anonymous):

20x+8?

OpenStudy (anonymous):

your area is right, but the questions asked for the "perimeter" not the area

OpenStudy (anonymous):

Perimeter AND the area

OpenStudy (anonymous):

yeah \(20x+8\) for the perimeter

OpenStudy (anonymous):

ok you got 'em both

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