Ask Question
17 October, 02:00

The the length of a rectangle is 9 centimeters less than four timesfour times its width. its area is 28 square centimeters. find the dimensions of the rectangle.

+5
Answers (1)
  1. 17 October, 05:54
    0
    Let w = width

    then

    5w-3 = length

    w (5w-3) = 14

    5w^2-3w = 14

    5w^2-3w-14=0

    (5w+7) (w-2) = 0

    w = {-7/5, 2}

    throw out the negative solution leaving

    w = 2 centimeters

    length:

    5w-3 = 5 (2) - 3 = 10-3 = 7 centimeters
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “The the length of a rectangle is 9 centimeters less than four timesfour times its width. its area is 28 square centimeters. find the ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers