baileyneedshelp3305 baileyneedshelp3305
  • 02-03-2018
  • Mathematics
contestada

The length of a rectangle is 4 cm longer than the width. if the perimeter of the rectangle is 20 centimeters, what is the area of the rectangle?

Respuesta :

mysticaldogg
mysticaldogg mysticaldogg
  • 02-03-2018
P=2(w)+2(l)

length=x+4
width=x

2(x)+2(x+4)=20
use the distributive property

2x+2x+8=20
combine like terms

4x+8=20
subtract 8 from both sides

4x=12
divide both sides by 4 to isolate x

x=3

Length=x+4=3+4= 7
Width= 3
Answer Link

Otras preguntas

Help ASAP 15 Points A student is conducting their science experiment on the effect of caffeine on dogs. He has 3 groups of test subjects. The 1st group of dogs
What is a causative agent of Encephalitis?​
why is tolerating cheating bad?
What are the four main types of tissues found in the human body? stratified, muscle, nervous, simple connective, cardiac, stratified, epithelial stratified, sim
de government ministres ovic Kate wants to buy a piece of land in Duna to start her vegetable farming. The piece of land worth $10.000. her mother gave her $5.0
Read the image for instructions
why is tolerating cheating bad?
59,8x60,2 bằng bao nhiêu ạ
Find the area and the perimeter of a triangle (shown below) PLZZZ
Điều gì sẽ xảy ra nếu bỏ một ly nước nóng vào tủ đông đá?