jmoneyhotdog jmoneyhotdog

02-09-2016
Mathematics

contestada

I need help on number 12

I need help on number 12 class=

Respuesta :

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

Otras preguntas

What it the direction of the weight or force of gravity?

If you spin the spinner 75 times how many 2s would you get?

What are the required treatments for sepsis? Select all that apply. immediate administration of intravenous fluids bone marrow transplant low-dose aspirin immed

Conduct online research and find a website that provides climate data for an area in a biome (for example, the city of Barrow, Alaska). Discuss how conditions i

what is 300 in standard form

Respond to the following in 3-5 sentences. Would you like to have a surgeon who is obsessed with brevity?

calculate 97% of 345m

HELP!! What is the area of this trapezoid?

Will give brainliest Which ancient civilization is responsible for the ancestry of most modern Africans?Required to answer. Single choice. A Bantu B Nubian C Z

Which number is equivalent to 6%? Select all that apply. A. 6.0 B. 0.06 C. 0.6 D. 6100 E. 350