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

what is a color wheel plz help
Who was the first coach to lose the Super Bowl indoors?
15 liters increased by 60℅
What accent marks are missing from the paragraph in the highlighted box?
Which was a result of the War of 1812? A. New Orleans was returned to French control after a victory by Napoleon's army. B. Americans voted President James Madi
What is the cube root of 159?
Min Jee wants to build a small patio using either brick or paver stones. It will be 70 inches long and 49 inches wide. Each brick covers an area of 3 1/2 inche
Is most of Northern Chile dry, mountainous terrain on the map?
need help with math's home work 1 - increase 235 by 27% 2 - increase 24g by 9% 3 - decrease 1120 of 13.5% 4 - decrease 0.057 by 55% sally investment of £450 has
where does one ocean stop and another start?