Algebra 1--Please, help me!

posted by Victoria

Marie has a square piece of cloth. She needs another piece with a length 2 inches shorter than the side of the square piece and a width 2 inches longer. The area for the new piece of cloth is 780 in^2. What will be the dimensions of the new piece of cloth?

A: ?

  1. PsyDAG

    (x-2)(x+2) = 780

    x^2 - 4 = 780

    x^2 = 784

    Solve for x, then x+2 and x-2.

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Math word problem

    I know the answer, but is there a formula to show work?
  2. Algebra

    A rope 116 inches is cut into three pieces.The middle-sized piece is 10 inches shorter than twice the shortest piece.The longest piece is 5/3 as long as the shortest piece.What is the length of the shortest piece?
  3. math

    from a square piece of cardboard with length and width of x inches, a square of width x-1 inches is removed from the center. Write the area of the remaining piece of cardboard as a function of x
  4. math

    I have a flat piece of plywood that measures 45 inches in width and 75 inches in length. I want to cut the board into identical square pieces with the integer side lengths and use the entire piece of wood. What are the dimensions (width …
  5. Algebra 1

    Marie has a square piece of cloth. She needs another piece with a length 2 inches shorter than the side of the square piece and a width 2 inches longer. The area for the new piece of cloth is 780 in^2. What will be the dimensions of …
  6. Algebra 2

    Stacey has a square piece of cloth. She cuts 3 inches off of the length of the square and 3 inches off of the width. The area of the smaller square is 1/4 the area of the original square. What was the side length of the original square?
  7. Math

    Fred needs a piece of plywood 39in. by 23in. he cut it out of a piece that was 4ft. by 8ft.What is the area in square inches of the piece that was left?
  8. algebra

    ​120 inch length of ribbon is to be cut into three pieces. The longest piece is to be 40 inches longer than the shortest​ piece, and the third piece is to be half the length of the longest piece. Find the length of each piece of …
  9. Math

    Bill cut a piece of cloth into 2 pieces. The length of the shorter piece is 5/9 of the longer piece. A find the ratio of the length of the longer piece to the length of the shorter piece to the total length. B if the longer piece is …
  10. Math

    Bill cut a piece of cloth into 2 pieces. The length of the shorter piece is 5/9 of the longer piece. A find the ratio of the length of the longer piece to the length of the shorter piece to the total length. B if the longer piece is …

More Similar Questions