jxpiter04 jxpiter04

25-06-2019
Mathematics

contestada

the sqaure of 9 less than a number is 3 less than the number

Respuesta :

altavistard altavistard

03-07-2019

Answer:

n: {7, 12}

Step-by-step explanation:

(n - 9)^2 = n - 3, or

n² - 18n + 81 = n - 3

Rewriting this into the form of a quadratic, we get:

n² - 19n + 84 = 0, or

(n - 7)(n - 12) = 0

Then n: {7, 12}

Answer Link

Otras preguntas

Why does humus tend to increase with the clay content of soil? A. As the clay content increases, the amount of plant lignin in the soil increases. B. As

what injection practices are part of standard precautions and are aimed at maintaining basic levels of patient safety and health care provider protections

In the prologue of oedipus rex, ________ returns from delphi with a command from the oracle to find and punish the murderer of laius.

WILL MARK BRANLIEST -COOKIE An amino acid is how carbohydrates are broken down in your body. True False

Name three places colonized by Spain?

A kid moving 3.18 m/s jumps on a slip and slide(Uk=0.0751). How far has he slid when his velocity is reduced to 2.00 m/s?

"Before the storm." is what type of sentence?

Diferntes maonedas q se han utiliza do a lo largo de la historia en colombia

Quando a mulhee estar gravida o homem pode gozar dentro da mulher??

If there is a potential difference v between the metal and the detector, what is the minimum energy emin that an electron must have so that it will reach the de