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OpenStudy (anonymous):
I need help! A rectangle has a length of (3.1s + 2.5)cm and a width of (1.3s-4)cm. What is the expression for the perimeter of the rectangle? P= 2l+2w P=2(3.1s+2.5)+2(1.3s-4) P= 6.2s+5+2.6s-8 Got confused about Distributive Property :c (again) How did they change it into that expression??
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OpenStudy (anonymous):
cri
pooja195 (pooja195):
|dw:1452214935226:dw|
pooja195 (pooja195):
This is how the distributive property works. |dw:1452214997550:dw|
pooja195 (pooja195):
It got cut off ;-; but i hope you get the point
OpenStudy (anonymous):
Well I know how Distributive property works, although I don't get why they changed the numbers
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OpenStudy (anonymous):
P= 6.2s+5+2.6s-8
pooja195 (pooja195):
2 x 3.1=?
OpenStudy (anonymous):
where'd they get 8 though?
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