Ashelton27
Ashelton27 Ashelton27
  • 02-03-2017
  • Mathematics
contestada

if the perimeter of the rectangle is 32cm and the area is 55cm2, what are the dimensions of the rectangle?

Respuesta :

wolf1728
wolf1728 wolf1728
  • 03-03-2017
2L + 2W = 32
L * W = 55

L = 55/W then substitute into first equation
2 * 55/W + 2W = 32 Multiplying both sides by "W"
110 + 2W^2 = 32 W
2W^2 -32W +110 = 0
L = 11 or L = 5
Also W = 11 or W = 5


Answer Link

Otras preguntas

Why are primary sources important when studying historical events?
If a doctor suddenly had a heart attack while doing surgery, would the other doctors work on the doctor or the patient?
What is the answer to 3x squared plus 2X
Which organism has cerebral ganglia in its head connected to ladder-like arrangements of nerve fibers? A. flatworm B. frog C. seahorse D. spider
you have a full job that pays 2400 per month you decide to take a part time job delivering newspapers that pay 200 per week if 15% is withheld for taxes from bo
I am doing a project on pulley how it impact our daily lives
PLEASE HELP!!! What are the cross products of the problem of the proportion 12/20=3/5
if the federal reserve adopts an expansionary monetary policy,
What is the state motto of North Dakota? Please Help
I NEED HELP ill mark brainilist to best answer