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 ( 96+ )
Otras preguntas
a ball thrown vertically upward with an initial speed of 5 m/s,what will its speed be when it returns to its starting point.(in the absence of air resistance)
Which similarity do William Shakespeare's sonnet 130 and shwayzes song perfect for me have in common
The act of building or assembling an infrastructure is known as ________________. a. modern architecture c. suspension b. construction d. 20th century construct
Help please on how to do this math hw
The reaction of nitrogen monoxide and its rate law are shown below. The concentration of NO is 0.025 M, and the concentration of H2 is 0.075 M. 2NO(g)+2H2(g) --
The circle is in the middle of the rectangle. What is the area of the unshaded portion of the figure? Use 3.14 to approximate for π .
Consider sodium oxide, Na2O. Choose the best explanation for the subscript, 2, from the list provided.
Life satisfaction for the elderly correlates with _____.
Jim goes to the store and buys 6 apples for 25 cents each and 10 bananas for 10 cents each Jim had a 10% off coupon Jim will owe the store 2.25$ true or false
Evaluate fourth root of 9 multiplied by square root of 9 over the fourth root of 9 to the power of 5.
