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 ( 71+ )
Otras preguntas
Question 1 (True/False Worth 1 points) Genes are the basic and fundamental part of heredity. True False Question 2 (True/False Worth 1 points) mtDNA is transfer
Why is charcoal a limited drawing medium?
Including the phases, what is the net ionic equation for the reaction of AgNO3(aq) with K2SO3 (aq)?
how do you find the y- intercept of line y= 4x- 14
en que consiste el efecto invernadero
Solve x2 + 8x − 3 = 0 using the completing-the-square method.
Which of these were included in the SALT I treaty? Check all that apply. a cap on nuclear arms a ban on nuclear arms an end to proxy wars a limit on launch site
if jim’s work shift starts at 8:45 a.m. and jim arrives to work at 9:13 a.m., how many minutes late was jim?
two brown-eyed parents have produced three blue-eyed sons. what can be concluded about the parents?a)only the father carries an allele for blue eyes. b)only the
the area that holds all the startup instructions the computer needs to start is the
