hailyprince1031 hailyprince1031
  • 04-09-2017
  • Mathematics
contestada

the length of a rectangle is five less than twice it's width.if the perimeter of the rectangle is 56 inches,find its dimensions.

Respuesta :

texaschic101
texaschic101 texaschic101
  • 04-09-2017
P = 2(L + W)
P = 56
L = 2W - 5

56 = 2(2W - 5 + W)
56 = 2(3W - 5)
56 = 6W - 10
56 + 10 = 6W
66 = 6W
66/6 = W
11 = W <=== width is 11 inches

L = 2W - 5
L = 2(11) - 5
L = 22 - 5
L = 17 <=== length is 17 inches
Answer Link
linekemalloy
linekemalloy linekemalloy
  • 04-09-2017
 length is 17 inches...
Answer Link

Otras preguntas

what happens to the molecule AB when it has a bond dipole and the electric field is turned on? Spin the molecule around several times and make observations. Wha
find the sum of the infinite series 1/3 1/9 1/27 ...
what is the importance of ammonification?
When it comes to handing children with special needs who don't respond to ordinary guidance strategies an early childhood professional may have to do three of t
the _______ is responsible for determining the frequency of vibration of the air column in the tube within a wind instrument.
why are some pulses known as leguminous crop?
The mediastinum is located within the the cavity
Keeping things neat and organized is not worth the time it takes. agree or disagree?
Which of the following plays the most important role in chemical weathering? Ice The sun Wind Oxygen
What is PEMDAS??? Like the meaning and i need an example too.. ._.