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

1/10, 3/20, 5/30, 7/40 arithmetic sequence geometric sequence neither
write an addition equation that can help you find 9-6
what is the fraction for 0.563
For case of a 5-item order,how many different ways are there to place an order? For each case,list the number of wheels that would be needed?
what is the difference between a source and a mouth
example of a question that could NOT be answered with a binary message
what did the leakeys discover in olduvai gorge
3(5b-1)=5 solve for b 4(3y-1)=20 solve for y
Find the sixth term of an arithmetic sequence with t1 = 2 and tn = tn-1 + 4.
fifty students are trying to raise at least $12,500 for a school trip they have already raised $1,250 how much should each student raise on average in order to