rebeccarhamblin
rebeccarhamblin rebeccarhamblin
  • 15-06-2020
  • Mathematics
contestada

The length of a rectangle is three times its width.
If the area of the rectangle is 75 yd?, find its perimeter.
​

Respuesta :

jasonchen2101 jasonchen2101
  • 15-06-2020

Length times width equals area of a rectangle

Length=3x

Width=x

(3x)(x)=75

3x squared=75

x=5

Length=3(5)

Length=15

Width=5

Perimeter=2(length plus width)

Perimeter=2(15+5)

=2(20)

=40

Answer Link

Otras preguntas

Josie bought a roast that weighed 3 3/10 pounds. She also bought 1 4/10 pound of hamburger. How many pounds of meat did Josie buy?
The process to convert seawater into freshwater is known as A. desertification. B. desalination. C. salination. D. deforestation.
Please Help! Jamie flips a coin. What is the number of possible outcomes? I think it might be 2 but Im not so sure
Which sentence uses punctuation correctly? A. The basketball rolling down the street, is mine! B. The basketball, rolling down the street is mine! C. The basket
What did the Einstein-Szilard letter warn President Roosevelt about in 1939? a. that the US was secretly researching nuclear weapons b. that Germany was researc
Which is true of the "little Pilgrim" who speaks in "Will there really be a 'Morning'? A. The speaker is a person who is afraid of the darkness of night. B.
y=(x-8)^2+5 please help with the beginning steps
at the dog show,there are 4 times as many boxers as spaniels.if there are a total of 30 dogs,how many dogs are spaniels?
what is acceleration
Which statement explains the u.s. motivation for the acquisition of the Alaska territory