SueGore SueGore

03-11-2016
Mathematics

contestada

The length of a rectangular portrait is 2.5 times the width. The perimeter is 28 feet.

What is the length of the portrait?

Respuesta :

1davey29 1davey29

03-11-2016

l=2.5*w, p=2l+2w. Plug in your known value for l, p=2(2.5w)+2w=5w+2w=7w. Now solve for w, p/7=(7w)/7=w. Plug in your perimeter, w=p/7=28/7=4. Plug in your width into your equation for length. l=2.5w=2.5(4)=10. Your length is 10 feet.

Answer Link

Otras preguntas

Complete the table for the given rule. Rule: y is 0.75 greater than x x y 0 3 9

look at the image below

Plz help, will mark brainliest!

what damage does the caranbola

Question 19 of 20: Select the best swer for the question 19. The distance from the center of a round table top to the edge of the table top is 4 ft what is the

Find the area of ABCD

Solve for $2\left(1-\frac{1}{2}\right)+3\left(1-\frac{1}{3}\right)+4\left(1-\frac{1}{4}\right)+\ldots +10\left(1-\frac{1}{10}\right)=?$ Hall please

PLS HELP QUICK IM BEGGINGGGG!!!!! PLEASE HELP ME!! The following box plot represents the heights of the students in Mr. Taylor's fourth grade math class. In a

identify the roots of the equation and the multiplicities of the roots 8(x - 2)³ = 0

*Alexandra compro fruta por 12.570 y carne 27.425 ¿ cuánto dinero mas le costó la carne que le fruta?