jmoneyhotdog
jmoneyhotdog
02-09-2016
Mathematics
contestada
I need help on number 12
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
Which is made from the remains of dead marine organisms over millions of years? A. coal and oil B. oil and uranium C. coal and natural gas D. oil and natural ga
what is longitude? what is latitude?
Which answer corrects the error in capitalization? On January 1, 1863, Abraham Lincoln issued the Emancipation proclamation. A. Proclamation B. emancipation C.
Which sentence best describes the word pathos?
Which functions have a positive rate of change and which have a negative rate of change? Column A Column B 1. 2x – 3y = 9 A. positive B. negative 2. y = −4x +
What is Hammurabi best known for? A. the first known written code of law B. the Hanging Gardens C. establishing the world's first empire D. introducing a new re
Are dentures better than a mouth full of crowns?
Which statement does not accurately describe a lasting result of the Crusades? A. Christians and Muslims blamed each other for the costly wars. B. Trade between
An increase in the atmospheric levels of carbon dioxide (CO2) is the biggest contributor to which of the following? A . global warming B . El Niño C. wind storm
A person's liver is not secreting bile. This would result in which of the following? A. Lacteals are not able to absorb carbohydrates and proteins. B. Capillari
