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 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

The final line of the poem suggests that - - А the daughter will develop an interest in more practical pursuits as she matures B the speaker expects his daughte
Your boss has asked you to create a program that calculates the total cost of an item after a discount and sales tax have been applied. You have been testing th
(05. 04 MC) The following reaction shows sodium hydroxide reacting with sulfuric acid. NaOH + H2SO4 → Na2SO4 + H2O How many grams of Na2SO4 are produced from 1
PLEASE HELP OMG I NEED THIS ASAP
Describe what happens if you divide a difference by 3.
please only geniussssssssssssssssss
how to calculate load​
What is the answer to this I don’t know it
Type the correct answer in the box. What trigonometric expression can be used to find the value of X? Replace a and b with the correct values
Which number is a solution of 5m < 6m + 6? a. -8 b. -7 c. -6 d. -5