If the perimeter is 39 what you have to do is 39 - 8.5 - 8.5 that will give you 22 and divide 22/2 and that gives you 11. So 11 is the length
F(x) = 3x - 2
f(8) = 3(8) - 2
f(8) = 24 - 2
f(8) = 22
f(-5) = 3(-5) - 2
f(-5) = -15 - 2
f(-5) = -17
f(8) - f(-5) = 22 - (-17)
f(8) - f(-5) = 39
Hope this helped! Good luck! :)
Answer:
Length =40 ft.
width. = 8 ft.
Step-by-step explanation:
If The length is five times the width , then
width = w
length = 5w
Perimeter of Rectangle = 2( l+b)
2(5w+w)= 96
2( 6w) = 96
12 w= 96
w = 96/12
w= 8ft.
length = 5(8)
= 40 ft
Answer:
All rectangles are quadrilaterals
Step-by-step explanation: