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

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

04-09-2017

length is 17 inches...

Answer Link

Otras preguntas

A gasoline engine operates at a temperature of 270°C and exhausts at 210°C. Calculate the maximum efficiency of this engine. (Note that the Celsius scale is use

Someone help pleeeeaSe

732,178 + 167 - 542,137

Which principle of design indicates that the elements that represent the same idea or category should be placed together?

What is home quality

If you are good at geometry i would really appreciate it if you will help me answer my questions on my profile that i just posted. I will have more to come as w

a argument on why Pro Sport players should get paid for playing sports .

what does an animal need to survive and grow

Consider this speech plan. What is the most effective conclusion for this speech? With the pool located at the rear of our neighborhood, we experience a higher

Which of the following climate regions has the widest temperature range? A. Arctic B. Subarctic C. Marine west coast D. Tropical