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

REVIEW - WHAT IS COLLISION THEORY?1. Define rate of reaction"2. State the main idea of collision theory,3. List the 5 main factors that can affect the rate of a
In the equation y = 7 x + 3, as the value of x decreases by 1, what happens to the value of y?
Which of the following were accomplishments of the Ming dynasty? A. We constructing the great wall in constructing large ships for exploration B. Reconstructin
To use Charles' Law, which of the following needs to remain constant? A.Temperature and volume B.Temperature and the number of mo
Help please? The table below shows the distribution of students in Mrs. boxer 6th grade class what is the ratio of the number of girls to the total number of s
Determine the number of significant figures in 400
Can in please have help...
The declaration of independence calls for three alienable rights what are they
What is the main idea of this passage about el dorado
if i had 900 susbcribers and i lost 10 the next day and the day after hwo mnay susbcriebrs wouls i have