# algebra

posted by .

If the lenght of a rectangle is 15 inches longer than its width whats an equation to represent the area of the rectangle?

• algebra -

Area = L x W = L x (L - 15) = L^2 -15L

## Similar Questions

1. ### basic geometric

10. a rectangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangle is 9m. find the perimeter of this rectangle. 34. The width of a rectangular picture is one-half the length. The perimeter …
2. ### College Algebra

Suppose that the length of a rectangle is 3 inches longer than the width and that the perimeter of the rectangle is 78. Set up an equation involving only L, the length of the rectangle. Solve this equation algebraically to find the …
3. ### College Algebra

Suppose that the length of a rectangle is 3 inches longer than the width and that the perimeter of the rectangle is 78. Set up an equation involving only W, the width of the rectangle.
4. ### Nassau

The length of the smaller rectangle at the right is 1 inch less than twice its width. Both the dimensions of the larger rectangle are 2 inches longer than the smaller rectangle. The area of the shaded region is 86 square inches. What …
5. ### Algebra

The length of a rectangle is (x+2) inches. The width of the rectangle is (x+1) inches. Write an equation that can be used to determine the area (A) of the rectangle in terms of x. What is the value of x if the area of the rectangle …
6. ### Algebra Homework, HELP!

1) A rectangle has an area of 297 square inches and a width which is three inches less than four times the length. Find the length and the width of the rectangle. 2) Let x represent the length of the shorter leg in a right triangle. …
7. ### Math

1. The length of a rectangle is 6 inches longer than thrice its width. The area of the rectangle is 57 square inches. Write a quadratic equation for the area of the floor in terms of x. Find the length and width of the rectangle. 2. …
8. ### algebra

The length of a rectangle is 3 more than twice the width. The area of the rectangle is 119 square inches. What are the dimensions of the rectangle?
9. ### algebra word problems

The length of a rectangle is 6 inches longer than its width. The perimeter of the rectangle is 28 inches. If x represents the width of the rectangle, which equation can be used to find its value?
10. ### math

whats the answer to this equation: 4+8x+2.2-10x if the lenght of a rectangle is 7 inches and the width is (x+2) inches. write an expression in simplest form that represents the area of a rectangle?

More Similar Questions