brooke020500 brooke020500

02-05-2017
Mathematics

contestada

The length of a rectangular field is 20 less than its width. The area of the field is 12,00 square feet. What is the width of the field?

Respuesta :

jwright24 jwright24

02-05-2017

x(x-20)=12000
x^2 - 20x = 12000
x^2 - 20x - 12000 = 0
(x - 120)(x + 100) = 0

x = -100, 120

so the width is 120 ft

Answer Link

Otras preguntas

Geometry math question please help

What's the difference between mandibulates and chelicerates?

Why did the Mexican people felt driven to rebellion in the early part of the twentieth century. Was the revolution successful?

Write the equation of a line with a slope of -2 passing through the point (2, -2). Write your answer in slope-intercept form

If you apply ghe change below to the quadratic parent function f(x)=x2 what is the equation of the new function? Shift 1 unit right vertically stretch by a fact

What is the equation of the following graph?

Liona was suffering from a depression, which her therapist traced to a conflict with her parents and the different roles that she had to play withing

find the value of JM

BRAINLIEST!! FIRST PLEASE HELPPP

Identify and describe two strategies to provide positive guidance and direction to paraeducators, tutors, and volunteers that promote the well-being of individu