14-07-2017
Mathematics

contestada

solve:

x^2 = 81

x^2 = -9

x^2 = 20

3x^2 = 125

Respuesta :

Banabanana Banabanana

14-07-2017

x^2 = 81
x = ±√81
x = ±9

x^2 = -9 no solutions

x^2 = 20
x = ±√20
x = ±2√5

[tex]3x^2 = 125 \\ x^2 = \frac{125}{3} \\ x=б \sqrt{ \frac{125}{3} } [/tex]

Answer Link

Otras preguntas

Can you plsss help you will get 22 points!

Andy has two similar conical hats, Hat A and Hat B. The diameter of Hat A is 18 inches, and the diameter of Hat B is 9 inches. What is the ratio of the volume

The volume of a cube is given by the expression 3 and its surface area is given by the expression 62, where s is the length of the cube's side. What are the vo

What is the climax in The Lions of the Little Rock?

Why did the congress refuse to sign the Treaty of Versailles?

You are advised to use eco-friendly appliances like refrigerators and a.c. Explain giving reasons how these appliances causing harm to our environment

For what purpose was the "Eight Box Law" designed?

pardon me are you aaron burr sir

A car goes from a velocity of zero to a velocity of 15 meters per second east in 2.1 seconds. What is the cars acceleration?

how old is marble rock