poohbear2003z poohbear2003z
  • 03-10-2017
  • Mathematics
contestada

A rectangle with an area of 120 in 2 has a length 8 inches longer than two times its width. What is the width of the rectangle?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 03-10-2017

width = x

length = 2x+8

area = l x w

x(2x+8)=120

2x^2+8x−120=0

x^2+4−60=0

(x+10)(x−6)=0

x=−10 and x=6

 width has to be a positive number

Width = 6 inches.

Answer Link

Otras preguntas

Why is it important that oval-shaped women wear structured clothing?
Which mostly helped ghana become an empire?
Salim bought a DVD recorder for $280 now it is on sale for $220 find the percent of change in the price from the nearest whole percent
A pendulum has 295 J of potential energy at the highest point of its swing. How much kinetic energy will it have at the bottom of its swing?
Albert einstein considered god to be essentially the sum total of the physical laws which describe the universe. i do not know of any compelling evidence for an
What was the successful union strategy for taking vicksburg answers?
Choose all the answers that apply. Which of the following organisms are producers? 1.algae 2.fungi 3.rabbit 4.grass 5.tree PLEASE HELP I AM STUCK!!!!!!!!!!
Find the root of 6x-48=0
Brown went to Paris . He paid $500 for the flight. And due to some inconvenience he got 12% back from the airline . What is the amount of the money he got back
What is the product of 96.5 x 2.54 ?