The length of a rectangle is 3 centimeters less than twice its width. Its area is 35 square centimeters. Find the dimensions of the rectangle. Use the formula, area=length*width.

Question

hrazor · Answer

The length of the rectangle is 2w-3 and the width is w.

If the area is equal to 35 square centimeters, therefore, substitute the value of the length and width to the formula A = (l)(w). It will be, 35 = (2w-3)(w).

hrazor · Answer

You will have a quadratic equation. Solve it and it will give you an answer, w = 5. Substitute the value of w to the length of the rectangle, 2w-3 and the answer will be 7.

hrazor · Answer

So, the dimensions of the rectangle is 5 by 7 centimeters.

anonymous · Answer

Im so confused i have all these problems and i have no clue what i am doing.