# math

posted by .

A rectangle has sides of 4x – 4 and 8x + 10. Find the expression that represents its perimeter

• math -

2(4x-4) + 2(8x+10)= Perimeter

• math -

2(4x-4)+2(8x+10)=8x-8+16x+20
perimeter=24x+12

• math -

thank you

## Similar Questions

1. ### math, drbob222

For this problem is it only asking for the exprssion(formula). Or do they want me to solve it. (1) A triangle has sides 3x+7,4x-9,and 5x+6. Find the expression that represents its perimeter. My answer:P=a+b+c I think the question is …

If you have a rectangle with 24 square units 3 lines down 8 across how can you have a 4 unit rectangle with a perimeter of 8 around the outside also 6 units with a perimeter of 10 in a seprate problem A square of 4, perimeter of 8. …
3. ### math

A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter. 3x-4+7x+10= 3x+7x=10x −4+10= 14 10x+14 that is my answer please help You just added two sides, a rectangle has four sides. So the …
4. ### math

A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter.
5. ### math

the length of a rectangle is 5 ft more than twice the width. a)if x represents the width of the rctangle, represent the perimeter of the rectangle in terms of x. b) if the perimeter if the rectangle is 2 ft more than eight times the …
6. ### Math

The area of a rectangle is 6n(to the power of 2) + n - 2. What is the expression that represents the perimeter of the rectangle?
7. ### Math

The variable W represents the width of a rectangle. The length of the rectangle, L, is 5 less than twice the width. Write an expression for the length of the rectangle in terms of W. Write a simplified expression for the perimeter …
8. ### Algebra

The expression 17n + 11 represents the perimeter (in feet) of the triangle. Two sides are measured at 5n + 6 and 4n + 5. Write an expression that represents the measure of the third side.
9. ### Math

The formula for the perimeter of a rectangle is P = 2l + 2w. The length of a rectangle is 3 times its width. Which expression represents the perimeter of the rectangle?
10. ### Math

The length of a rectangle is 3 units shorter than one-third of the width, x. Which expression represents the perimeter of the rectangle?

More Similar Questions