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Mathematics 16 Online
OpenStudy (anonymous):

Help please one question will medal :D :D :D

OpenStudy (anonymous):

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OpenStudy (anonymous):

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OpenStudy (astrophysics):

Perimeter is just the distance around the shape

OpenStudy (astrophysics):

|dw:1450321628920:dw| so the perimeter is \[x+x+y+y = 15 \implies 2x+2y=15\]

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