Answer:
40
Step-by-step explanation:
AREA=LW
L₁W₁=40
L₂W₂=160
x(L₁W₁)=L₂W₂
x(L₁W₁)=L₂W₂
x(40)=160
x=40
Answer:
x=4x therefore the answer is 4x
Step-by-step explanation:
x^2-8x+16=0
Answer:
-3
Step-by-step explanation:
Area of a rectangle is L * W
L = x
W = 5
5x = 20 (Divide by 5 on both sides)
x = 4
L=4
W= 5
The length is 4cm
Hope this helps :)
Completely different...
.15*.15*.15*500
500(.15^3)=1.6875
500(.45)=225