trosehall617 trosehall617

25-01-2018
Mathematics

contestada

The length of a rectangle is 4 cm less than three times the width. the perimeter is 64cm. find the width and length

Respuesta :

frenchiegirl frenchiegirl

28-01-2018

largeur = x
longueur = 3 x - 4

2 (x + 3 x - 4 ) = 64
2 x + 6 x - 8 = 64
8 x = 64 + 8
8 x = 72
x= 9

largeur = 9 et longueur = 23

Answer Link

Otras preguntas

Which is the best revision of this sentence? Jessica slept until mid-afternoon after studying all night. A. Studying all night, Jessica then slept until mid-af

approximately how many calories should a person who weighs 160lbs consume per day

An ftp ____ is a computer that allows users to upload and/or download files using ftp.

Which is composed of amino acids and determines all the structures and functions of organisms? a. DNA. b. ribosome. c. mRNA. d. protein

A 9.35g sample of a solid was placed in a 15.00mL flask. The remaining volume was filled with Benzene in which the solid is insoluble. The solid and Benzene tog

A roller coaster moves 200 ft. horizontally, then rises 135 ft. at an angle of 30 degrees above the horizontal. It then travels 135 ft. at an angle of 40 degree

What is the volume, in milliliters, of 6.56g of acetone?

In what did both the Mayans and the Egyptians show an interest? A) Print-making B) chemistry C) Poetry D) Astronomy If anyone can please help me with this on

which is not a characteristic of life? a) growth b) adaptation c) reproduction d) movement

what is the expression for "the difference of 3 and 5 times a number"