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

Which movement for social change modeled on the original civil rights movement achieved some success and avoided violence? feminist movement anti-war movement C

what was a main goal of education for students in the New England colonies ?

Propionoic acid, C3H6O2, reacting with methanol, CH4O, will produce C4H8O2 and water. If 70.0 g of propionoic acid and 60.0 g of methanol are reacted together,

what hypothesis states that the continents were once joined to form a single supercontinent

The document that contains a long list of grievances (complaints) against the King of England is known as: The Constitution. The Articles of Confederation. The

The early Israelites recorded event and laws in a text that is called _________

In 1990 how were members of the united states senate chosen

How do different forces act on a system

The island of Corsica, which lies south of the Ligurian Sea, is part of what country

How does the motto E pluribus unum describe the people of the United States?