Katieeminchh7509 Katieeminchh7509
  • 04-07-2017
  • Mathematics
contestada

The perimeter of a rectangle is twice the sum of its length and its width the perimeter is 28 M and it's length is 2 m more than twice its width what is its length

Respuesta :

ghanami
ghanami ghanami
  • 05-07-2017
hello : 
x : length     y : width
2(x+y) = 28....(1)
x= 2y+2....(2)
subsct in : (1)
2(2y+2+y) =28
3y+2=14
 3y=12
y= 4 m
x= 2(4)+2 = 10 m
Answer Link

Otras preguntas

Asymptote of f(x)=2^x+3
Factor: 0.4m^2 + 0.6m – 1.8
what is the difference between lateral surface area and a total
What is a form of social action which was widely used during India’s quest for independence
what is the vertex of f(x)=-3(x-2)^2-4
What main text structure did Carrie use in paragraph 9, and why?
The ancient Athenians experienced severe storms that the god Poseidon sent. To appease him, women in Athens lost the right to vote. Why did the Athenians make t
Last week, in your grandmother’s attic, you found an old piece of paper, with this written on it: 72 turkeys $ _ 5 7 . 3 _ The first and last digits of the tot
Damian and Jason are on the football team. Damian scored 65 points last season. He scored 5 more than twice as many points as Jason. Write and solve an equation
Martina purchased a prepaid phone card for $20 . Long distance calls cost 14 cents a minute using this card. Martina used her card only once to make a long dist