brmoen5718 brmoen5718

24-01-2018
Mathematics

contestada

The length of a rectangle is four times its width. If the perimeter of the rectangle is 20 feet, how many feet long is the rectangle's length?

Respuesta :

frenchiegirl frenchiegirl

28-01-2018

largeur = x
longueur = 4 x

2 ( x + 4 x) = 20
2 x + 8 x = 20
10 x =20
x = 2

largeur = 2 et longueur = 8

Answer Link

Otras preguntas

Read the excerpt from The Dark Game: True Spy Stories from Invisible Ink to CIA Moles. As Montgomery and de Grey slowly made their way through the message, they

When the price of milk goes up, demand does not fall significantly, because people still need to buy milk. However, if the price of T-bone steaks rises beyond a

Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime (calcium oxide), which they produced by roasting limestone (

Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively.

You've been hired as a consultant to help an online store owner. You need to complete the implementation of conversion tracking tags into their website. What ar

Points A, B, and C are midpoints of the sides of right triangle DEF. Triangle A B C is inside triangle D E F. Point A is the midpoint of side F D, point B is th

Not all conflicts are manageable or worth the effort needed to resolve them. Sometimes the situation worsens because too much attention is paid to issues that a

A firm has $100 million in current liabilities, $200 million in total long-term liabilities, $300 million in stockholders' equity, and total assets of $600 mill

Design a program that asks the user to enter a store’s sales for each day of the week. The amounts should be stored in an array. Use a loop to calculate the tot

How many species go extinct in a decade? How many species in a century?