FauxFlawed FauxFlawed

04-07-2016
Mathematics

contestada

N Squared - N = 90
N =?

Respuesta :

texaschic101 texaschic101

04-07-2016

n^2 - n = 90
n^2 - n - 90 = 0
(n - 10)(n + 9) = 0

n - 10 = 0
n = 10

n + 9 = 0
n = -9

answer is : n = 10 and n = -9

Answer Link

Otras preguntas

Which is the best strategy to use to solve this problem? Sophie wants to make a large rectangular sign that has an area of 60 square feet. She wants to put a b

What are the bible verses in which Jesus or a saint or God tells a man to leave his body, and his spirit to go with him? Excluding anything about Heaven.

True or false Washington wanted the British to think that the Patriots would attack them in New York

what is the trait that is ancestral to all chordates?

area of a rectangle whose vertices are -11,4 - 11,1 - 5,4 and - 5,1

miranda had 4 pounds,6 ounces of clay she divide it into 10 equal parts how heavy was each part

Why did john adams defend the british soldiers after the boston massacre?

the vista marina rents boats for $25 per hour. in addition to the rental fee, there is a $12 charge for fuel. use a table to determine if the number of hours yo

Rose hiked at a constant rate of 13.3 miles per day for 7 days. Estimate the number of miles that Rose hiked during that time by rounding the rate involved in t

25 POINTS!!!!!!1 Denny is giving a presentation of his feature story about cooking with herbs. What should his presentation mainly include? A. Lists of herbs he