Answer:
Width is 20cm
Step-by-step explanation:
Step one:
Given data
let the width be x
W= x
L= x+5
P= 90
Step two:
The expression for the perimeter is
P= 2L+2W
90= 2*x+2(x+5)
90= 2x+2x+10
collect like terms
90-10=4x
80= 4x
divide both sides by 4
x= 80/4
x= 20
Answer: I think this is the answer Y=-2x+8
Answer:
8??????
Step-by-step explanation:
The equation C. Has no answers. Found out this by using an app called Symbolab. I suggest you download it as it is really helpfull
180-70=110 {Angles in a triangle add up to 180 degrees}
