jmoneyhotdog
jmoneyhotdog jmoneyhotdog
  • 02-09-2016
  • Mathematics
contestada

I need help on number 12

I need help on number 12 class=

Respuesta :

Jakcie
Jakcie Jakcie
  • 02-09-2016
First set up the equation, 82=(x)(x+7).
Then simply it 82= x^2 + 7x. --> x^2 + 7x - 82
use the quadratic formula. 

you should get 6.21 or -13.21.
Since length can't be negative, the answer should be 6.21feet.
Answer Link

Otras preguntas

do you think the benefits created through public programs outweigh their expenses?
Why do you think new york city draws such a diverse population?
What is personal finance
If the sin 30° = , then the cos 60° = _____. 0, because the angles are complementary , because the angles are complementary , because the angles are complementa
how many grams oxygen are present in 76.8g of CO2
The set of particular muscles and nerves which control the heart rate is called the
And 1. if a person bought 1 share of google stock within the last year, what is the probability that the stock on that day closed at less than the mean for that
What is the name of the famous waterfalls in the Sierra Maestra in Cuba?A. El Malecón B. Paseo del Prado C. Cascada en Río Brazo D. La Habana
Why did the colonists oppose the taxes imposed after the French and Indian War?        A. The colonists were afraid to anger the Spanish empire by paying Bri
If one gallon equals 3.78 liters, how many liters are there in three gallons?