Answer:
100
Step-by-step explanation:
you have to add each number on each side
Answer:
area = 8a^2 +4ab
Step-by-step explanation:
Area = (4a)(2a + b)
= 8a^2 +4ab
Try it with some random number, like a=3.
Is "3+0 = 0+3 = 0" true? No.
If you were doing multiplication, then it would be true, but not with addition.
Answer:
C. 65º
Step-by-step explanation:
180º- (62+53)=65º
a=65º
180º-(65+62)=53º
b=53º
180º-(53+62)=65º
c=65º
A) x * y = 48
B) x -y = 8
A) x = 48/y then substituting this into B)
B) 48/y -y = 8
B) 48 -y^2 = 8y
B) y^2 + 8y - 48 =0
x = 4 y = 12
12*4 = 48
12 -4 = 8
