Answer:
Length: 40 inches
Width: 10 inches
Step-by-step explanation:
Let
width of the rectangle.
From the information "length of a rectangle is four times its width", we can express the length as:
Length = 
- - - -
Perimeter =
(formula for perimeter of rectangle)


(combine like terms)
inches
∴ The width of the rectangle is 10 inches.
To find the length of the rectangle, we can use substitution:
Length = 

inches
∴ The length of the rectangle is 40 inches.
Hope this helps :)
2.A third of a cubed
5. Three b squared plus two a cubed
And all your other answers are correct
Answer:
1 3/4
Step-by-step explanation:
We can set the length of the rectangle to l. We can make an equation with the area because we know length*width = area.
l*(4/5) = 7/5
4l = 7
l = 7/4 = 1 3/4
What remainder is represented by the synthetic division below?
The answer is 0