hrstdktdykdidyk hrstdktdykdidyk

04-08-2021
Mathematics

contestada

The perimeter of a rectangle is 56 feet and
its area is 192 square feet. What are the
dimensions of the rectangle?

Respuesta :

jcherry99 jcherry99

12-08-2021

Answer:

Step-by-step explanation:

P = 2(L + W)

Area = L*W

Area = 192

(L + W)*2 = 56

L+W = 28

L = 28 - W

W*(28 - W) = 192

28W - w^2 = 92

-w^2 + 28w - 192 = 0

w^2 - 28w + 192 = 0

This factors into

(w - 12)(w - 16) = 0

w - 12 = 0

w = 12

L = 28 - 12 = 16

Answer Link

Otras preguntas

Perform the following operation and express the answer in scientific notation. 7.0x10^3x1.1x10^7

On his way off to college, Russell drags his suitcase 15.0 m from the door of his house to the car at a constant speed with a horizontal force of 95.0 N. how mu

Can someone help me on 1, 2, 3 and 4 plz I really need help

A jet aircraft is traveling at 291 m/ s in horizontal flight. The engine takes in air at a rate of 63.8 kg/s and burns fuel at a rate of 1.21 kg/s. The exhaust

When the y-intercepts of a line is 0, the relationship is....

Examples of enzymes

4The sizes, shapes, and colors of phones have changed greatly since the 1870s. Today's phones are smaller, and some are portable. In addition to allowing people

Twenty percent of the cookies Glenn made are sugar cookies.If he made 18 sugar cookies,how many cookies did Glenn make in total?

Why do you think the right against unreasonable searches and seizures is highly important to most people

x=3y – 10x 2y - 5 Solve by subst8tution