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 ( 44+ )
Otras preguntas
Which event significantly impacted the passage of the Superfund Act in 1981? a. Gulf Oil Spill b. Three Mile Island c. Love Canal d. founding of Yellowstone
In “Dover Beach” by Matthew Arnold, how does place affect the theme? The public nature of the beach calls attention to the world’s indifference. The vastness of
a train goes forward at a speed of 1m/s for 20 sec then it stops and goes backward at a speed of 0.5m/s for 4 sec after both movements are completed how far is
Which of these describes a first order reaction? A. The rate is inversely proportional to the concentration of the reactant. B. The rate is directly proportiona
according to the open door policy, China's ability to tax trade?
Solve each equation: 1.20=4b+7+5 2.7=6k-7k 3.23-2m=3-2(5m-2) 4.-88/45=1/3r+2/5r
New London, Connecticut, is the location of the a. Air Force Academy. b. National Oceanic and Atmospheric Administration. c. Coast Guard Academy. d. Naval Comma
Which statement best describes the overall goal of early labor unions? Early labor unions wanted longer working hours. Early labor unions wanted educational ass
Which Allied leader is described below? His actions at the peace conference reflected the desire of the English people to punish Germany for the destruction and
our constitution is called a democracy because power is in the hands...of the whole people....An Athenian citizen does not put his private affairs before affair
