$18n^2-50=0\ \ \ |+50\\\\18n^2=50\ \ \ |:18\\\\n^2=\dfrac{50}{18}\\\\n^2=\dfrac{50:2}{18:2}\\\\n^2=\dfrac{25}{9}\to n=\pm\sqrt{\dfrac{25}{9}}\\\\n=\pm\dfrac{\sqrt{25}}{\sqrt{9}}\\\\\boxed{n=-\dfrac{5}{3}\ \vee\ n=\dfrac{5}{3}}$

$Used:\\\sqrt{\dfrac{a}{b}}=\dfrac{\sqrt{a}}{\sqrt{b}}$

3 0

3 years ago

aliina [53]

Step-by-step explanation:

please write clearly and row wise understand problem

6 0

2 years ago

You are mixing solution to a gallon of water it is one part solution to 3 parts water how much solution would you use

Elina [12.6K]

There are 4 quarts in a gallon, therefore you would use 1 quart of solution.

3 0

3 years ago