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Q: If 2a equals 35 what is a?

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One side of the square, RA, is 2a cm. So the area of the square is (2a)2 = 4a2 cm2

What is 18 divded 5

A = h/2*(a + b) So 2A/h = a + b and therefore, a = 2A/h - b

2*9 - 5 = 18 - 5 = 13

if f(x) = 3x - 10, then whatever is put (substituted) for x in the "f(x)" bit is substituted for x in the "3x - 10" bit. Thus f(2a) = 3(2a) - 10 = 6a - 10.

Related questions

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

4

6

a = 26

It is the expression 3 + 2a.

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)

3.5

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

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

A equals 20.

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

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