paigedomino paigedomino

01-10-2019
Mathematics

contestada

The length of a rectangle is 3 times the
width. If the perimeter is 40 cm, find the
length and width.

help me please Pre-Algebra

The length of a rectangle is 3 times thewidth If the perimeter is 40 cm find thelength and widthhelp me please PreAlgebra class=

Respuesta :

marabu78 marabu78

02-10-2019

Answer:L= 3W

Perimeter = 2(l+w) = 40

2(3w+w) = 40

2*4w = 40

8w =40

w = 5

l = 3*5 = 15

Hope I helped

Answer Link

Otras preguntas

Read the excerpt from Act IV, scene iv of Romeo and Juliet. Peter: Musicians! O! musicians, ‘Heart’s ease, Heart’s ease:’ O! an ye will have me live, play ‘Hear

Which of the following statements corrects a false belief about the Civil War and would make the information in the passage more accurate? Lincoln enforced the

What item is created by the intersection of a row and a column?

Jen is korean american and works as a receptionist. whenever an asian client is in the office, her boss asks her if she will sit in on the meeting to help trans

What are the solutions to the equation x² = 256?

Tell how a compression wave and a water wave are alike and different

According to the world on turtles back which statement best describes the origin of man?

A. 1. to injure by striking B. 2. to hit with a solid object C. 3. to whack into something D. 4. the sound when something is hit with something heavy and flat

Sharon is building bookshelves for her room.She bought a board that is 10 1/2 feet long.If she cuts the board in three equal pieces, how long will each shelf b

- 2y - 6+ y < 24 - 7y