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Q: If RA equals 2a cm What is the area of square YRAM?

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4a2+4ab+b2 in2

a + a + a - 2a = 3a - 2a = a

Area of a square = A = 2S, 1/2A = S A = 4, 1/2A = 2 S = 2 Each side is 2 m long

4

6

a = 26

2a = 35 a = 35/2 a = 17.5

It is the expression 3 + 2a.

3.5

We have, 2a + 24 = 30or, 2a = 30-24or, 2a = 6or, a = 6/2 = 3.Therefore, a equals 3 or simply a=3

a= (+a) or a= (-) b= 2a b= 2a c= (-a) c= (+a)

2a+54=38 2a=38-54 2a=-16 a=-16/2 a=-8

A equals 20.

-2a - 4 = -16.8 -2a = -12.8 a = -12.8/-2 a = 6.4

-2a + 5 = 1 -2a = -5 + 1 -2a = -4 a = -4/-2 a = 2

2a 4 is the same as saying 2*a*4, so if you plug 2 in for a, this equals 16

2a+5a+9a = 16a

Simple algebra, 2a-20 = -2 2a=18 a=18/2 a=9

2a+12=8 2a=-4 a=-2 So a is -2.

1

2a + 9 = 4a - 19 9 + 19 = 4a - 2a 28 = 2a a = 14

2a - 1 = 9 Therefore, 2a = 10 a = 10/2 = 5 Therefore, a = 5.

3a x 2a =24

2a-5=-3a5a-5=05a=5a=0

The Area of a square can be written as it's side length^2, orA = s^2if the side length is doubled, then s' is 2s.A' = (s')^2A' = (2s)^2A' = 4s^2 = 4*AWhen the side length is doubled, the area increases by a factor of 4

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