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

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

What is the total number of valence electrons in an atom of sulfur in the ground state? A. 6 B. 8 C. 3 D. 4

Dave started hiking at 120 feet below sea level. a) If he climbed 750 feet, whats his elevation now ? b) Dave then descended 420 feet in 1 hour. Find the averag

in what way was maryland different from the other english colonies

How and why did Jack the Ripper kill his victims?

what happends after the Raven flies into the speaker's room in The Raven by Edgar Allan Poe Arrange the events in the correct order The speaker imagines that a

Coley bought 10 books which cost $2m each. If she gave the cashier a fifty dollar bill, how much change would she receive? Possible answers: A) 20m B) 30m C) 5

It took 20 minutes to print out a 250 page report.at this speed how many pages could this printer produce in 30 minutes

facts about the geosphere

In "The Highwayman," how does Bess warn the highwayman of danger? a. by firing the gun into the air b. by running away from the British troops c. by shouting o

Nephridia, the excretory organs in earthworms, are equivalent to the ____________ in humans and frogs.