SOLUTION: the area of the rectangle below is 40. WHat is the perimeter Width: x+3 Length: x+6

Question 293217: the area of the rectangle below is 40. WHat is the perimeter
Width: x+3
Length: x+6
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The area of a rectangle is given by:
Substitute , , and
Perform the multiplication.
Subtract 40 from both sides.
Solve this quadratic equation by factoring.
Apply the "zero product" rule.
or so that...
or Discard the negative solution as the dimensions cannot be negative.
Substitute x = 2.

and...
Substitute x = 2.

RELATED QUESTIONS
The width of a rectangle is x inches. The length of that rectangle is 4 inches less than... (answered by flame8855)

a rectangle has length (x-3)squared and width 4. the perimeter of the rectangle is 40.... (answered by rfadrogane)

the length of a rectangle is 3x+2 units and the width is x-6 units, what is the perimeter (answered by stanbon)

What is the perimeter of a rectangle whose width is (x-3)and length is (3y+5)? What is... (answered by JoelSchwartz)

What is the area of the large rectangle? The dimensions are: Length = x + 6 Width =... (answered by solver91311)

A rectangle with a length of x+4 and width of x+3, what is the perimeter of the rectangle (answered by Boreal)

The width of a rectangle is 2x + 3 and its length is x + 7. If the area is 40 in^2, what... (answered by ankor@dixie-net.com)

The perimeter of a rectangle is 40. If the width is 3x-8 and the length 2x + 3 what is... (answered by checkley77)

the area of the rectangle shown below is 2(3x-2)/x-1. find the width. 2x+6/12x-15 is... (answered by chitra)