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

What is the force of gravity in water​
share 518 in ratio 2:5 please answer fast with the steps
At the end of the French and Indian War, the would fall to the British.
What is “Reduced something to dust”?
Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has an average speed of 5.5 cm per year. (a) What distance does
Which processes occur during the second stage of technological design? Check all that apply. designing a solution studying relevant information rebuilding and r
Escuchen niños. Ahora vamos a almorzar. _[blank]__ a lavarse las manos. ¿Qué forma del verbo completa la oración correctamente? Vaya Vamos Vayan Voy Van
Determine the mass of SO₂ that contains 6.075 × 10^26 S atoms.​
In the figure below, lines I and mare parallel. What is the value of x? 1 (4x13) X= m (2x + 37)
The functions f(x) = x2 – 2 and g(x) = –x2 + 5 are shown on the graph. The graph shows f of x equals x squared minus 2, which is an upward opening parabola with