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

Market research shows that 30% of consumers are likely to purchase an electronic tablet for younger children under age 10. However, only 2% of consumers are lik

I don’t know how to do this question and my math teacher is not helpful

1. Why did the governor of Bengal grow nervous about the trading post of Calcutta? 2. Outline the 3 stages The east India company took control of Bengal 3. Whe

Calculate the amount of energy needed to boil away 1.6 L of water that initially has a temperature of 55 °C.

Between which two tenths is the decimal approximation of √7?

(2⁄3)3 the 3 is a exponent a answer would help but i would also like a step by step explanation so i can solve it on my own next time

What is the main idea in cajun country 3.02: and in masked mission story 2

Do you think human cloning should be legalized? Just want to here a second opinion on this me and a friend are trying to see who’s right. Also kind of a way to

what makes science an exact science

A chemical reaction can be reversed if? Question 18 options: The energy of the products is less than the activation energy threshold. The energy of the products