kellyspeakslouder kellyspeakslouder

07-03-2017
Mathematics

contestada

The length of a rectangle is 5yd less than twice the width, and the area of the rectangle is 52yd^2. Find the dimensions of the rectangle.

Respuesta :

Aliwohaish12 Aliwohaish12

07-03-2017

52 = (2*W - 5) * W
52 = 2*W^2 - 5*W
0 = 2*W^2 - 5*W - 52
0 = (2W - 13)*(W + 4)

2W - 13 = 0 or W + 4 = 0
W = 13/2 or W = -4

Width cannot be negative so discard W = -4

W = 13/2 L = 2*(13/2) - 5 = 13 - 5 = 8

Answer Link

Otras preguntas

on a coordinate grid what is the distance from g 2,8 to h 2,5

Solve. 8x + 4 ≤ –20 A. x ≤ –3 B. x ≤ –2 C. x ≥ –2 D. x ≥ –3

Suppose 11 out of 17 students said they were attending a football game. How many students out of 475 would you expect to attend the football game?

What is a jury? A. a group of people selected to analyze evidence presented during a trial and determine the guilt or innocence of someone based on the law B

A triangle has an area of 36 square units. Its height is 9 units. What is the length of its base? __ units

after installing the second hard drive . what two tasks need to be done in order through disk management for the operating system to use it

there are five students of different ages. their median is 13 what are two possibilities for the ages of the three oldest students

Which of the following is most likely to cause increases in a predator population? A. Fewer Prey B. A reduction in competition C. More parasites D. A perio

The condensation of _____ formed the early oceans. It is an important part of the water cycle. is??

Allen and Andrew have the same biological parents. Why do they not resemble either of their parents?