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 ( 79+ )
Otras preguntas
Which is the range of the function f(x) =1/7(9)x? all real numbers all real numbers less than 0 all real numbers greater than 0 all real numbers less than or e
17 is what percentage of 58?(answers rounded to the nearest whole number percent)33%51%29%17%
Will give brainiest! Geometry help!
Which number is divisible by 3? (A) 743 (B) 5325 (C) 205, 633 or (D) 17,231
A pregnant woman planning her diet should generally include an extra 300 Calories per day. a.True b.False
which input value produces the same output value for the two functions? help me out. :)
Three consecutive multiples of 3 have a sum of 72. What is the least of these numbers?
Find an equation of the normal line to the parabola y = x2 − 8x + 1 that is parallel to the line x − 4y = 2.
which type of exercise contributes most to building strong bones
which development contributed to the rise of the free enterprise system in Europe?
