# Math

e=6 r=-9 y=5
er:3 +2y
6(-9) :3 +2(5)
-54 :3 +10
-18 + 10 = -8

(y + r )^2
5 +-9 x2
14x14=196

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1. #1 ok, though fractions are usually written using a / instead of a :

(y+r)^2 = (5-9)^2 = (-4)^2 = 16
you did (y-r)^2
avoid using x as an operator; it's too easy to confuse it with a variable.

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2. r=-9
e=6
t=4/5
re/t=
-9 x 6/4/5=54 x4/5=54x5/4=67.5
check this I think this is ri

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posted by Joe

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