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

4. Compare the disturbance before and after the waves pass through the slit.
Which of the following statements is true of a time management plan? It is work in progress that need to be altered many times? The first plan you create is the
The falls that make up Niagara Falls are eroding backwards, thus migrating upstream. They have migrated back 20 feet in the past 10 years. What is the rate of
Idia was a mask created by which culture?
is hose a double vowel word
On a family trip, natalie counted 3 groups of 5 motocycles and additonal 7 solo motocycles. write an expression for the number of motocycles natalie saw.then fi
the situation requiring that accused person be told they have " the right to remain silent " stems from
the density of Fe is 7.87 g/cm^3. how many atoms present per cubic centimeter of Fe
Karen is 17 years old and has a BMI that indicates appropriate weight. She loves to eat all kinds of food. Which strategy will best help Karen maintain her hea
The length of a popcorn machine is 3/4 (24 inches) of it's height. What is the length of the machine? Please explain the steps