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

diamonds are the hardest substance on earth fact or opinion

In which state of matter transition do water molecules move the least? A. melting B. condensation C. evaporation D. freezing

One isotope of oxygen has 8 protons and 10 neutrons. Which is the correct reference for this isotope? A. oxygen-18 B. oxygen-10 C.<--------? oxygen-8 D. oxyg

Which of the following individuals is a well-known Shaman or tribal elder?

What is the cube of the quotient 24 and 6

What was the economy based on in the North?

(True or False) It would be most appropriate to use the noble gas core [He] when writing the shorthand electron configuration for sulfur.

One isotope of oxygen has 8 protons and 10 neutrons. Which is the correct reference for this isotope? A. oxygen-18 B. oxygen-10 C.<--------? oxygen-8 D. oxyg

A. How many sixths are in two-thirds? B. How many fourths are in six‑eighths? C. How many halves are in 5/10?

is 75/100 less, more than, or equal to 8/10