math

Find the dimensions of a rectangle having an area of 10 square centimeters and whose width is 3 centimeters less that its length.

  1. 👍 0
  2. 👎 0
  3. 👁 83
asked by LP
  1. Let x = length, then width = x-3.

    Area = Length * Width

    10 = x(x-3) = x^2 - 3x

    x^2 -3x -10 = 0

    (x-5)(x+2) = 0

    Take it from here.

    1. 👍 0
    2. 👎 0
    posted by PsyDAG

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    The combined area of a square and a rectangle is 124 square centimeters. The width of the rectangle is 4 centimeters more than the length of a side of the square, and the length of the rectangle is 2 centimeters more than its

    asked by John on September 27, 2017
  2. Math

    The length of a rectangle is 5 centimeters less than three times it's width . It's area is 12 square centimeters. Find the dimensions of the rectangle

    asked by Beulah Anderson on November 12, 2014
  3. Algebra

    The length of a rectangle is 8 centimeters less than three times its width. Its area is 35 square centimeters. Find the dimensions of the rectangle

    asked by Anonymous on April 29, 2018
  4. math

    the length of a rectangle is 23 centimeters less than five times its width. Its area is 42 square centimeters. Find the dimensions of the rectangle

    asked by Leticia on April 19, 2016
  5. Algebra world problem

    The length of a rectangle is 7 centimeters less than twice its width. Its area is 72 square meters. Find the dimensions of the rectangle.

    asked by Anonymous on July 23, 2013
  6. Algebra

    The length of a rectangle is 4 centimeters less than its width. What are the dimensions of the rectangle if its area is 117 square​ centimeters?

    asked by Kydanty on July 24, 2019
  7. math

    a rectangle is 4 times as long as it is wide. a second rectangle is 5 centimeters longer and 2 centimeters wider than the first. the area of the second rectangle is 530 square centimeters greater than the first. what are the

    asked by tony on January 15, 2011
  8. 7th grade mathSuppose

    Suppose rectangles X and Y are similar. The dimensions of rectangle X are 5 centimeters by 7 centimeters. The area of rectangle Y is 140 square centimeters. What are the dimensions of rectangle Y?

    asked by DIANE on November 1, 2009
  9. Math

    Find the Maximum area for the given perimeter of a rectangle. State the length and width of the rectangle. 28 inches Well, finally a calculus problem. Ok, we know that the area for a rectangle is A=l*w and the perimeter is

    asked by l on August 31, 2006
  10. algebra

    a rectangle is 4 times as long as it is wide. a second triangle is 5 centimeters longer and 2 centimeters wider than the first. the area of the second rectangle is 270 square centimeters greather than the first. what are the

    asked by sabrina on June 3, 2008

More Similar Questions