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

If you visit the National Mall, where are you? a. Minneapolis, Minn. b. New York City, N.Y. c. Washington, D.C.
This state and river share a name, which comes from an Indian word meaning “Father of Waters.”
How many representatives are there in the House of Representatives?
United States inventor (born in Scotland) of the telephone (1847-1922)
What do all members of a biological species have in common? A. They can interbreed and produce fertile offspring. B. They are members of the same population.
What is English Literature??
This song, written and recorded by Woody Guthrie, puts to music a walk along our country’s highways, valleys, deserts, and wheat fields. Name the tune. a. “Am
How many amendments, or changes, are there to the U.S. Constitution? a. 27 b. 14 c. 33
Who was Samuel F.B. Morse?
If you visit the National Mall, where are you? a. Minneapolis, Minn. b. New York City, N.Y. c. Washington, D.C.