hulkjb22 hulkjb22

24-03-2018
Mathematics

contestada

3x to the second power -8 = 40? what is x?

Respuesta :

24-03-2018

3x^2 - 8= 40
add 8 to both sides
3x^2= 48
divide both sides by 3
x^2= 16
take the square root of x and 16
x= 4

ANSWER: x=4

Hope this helps! :)

Answer Link

Otras preguntas

how did the U.S Constitution address a weakness of the Articles of Confederation A. The Constitution required unanimous support to pass laws, while the

Did I do this right ? If not then how is it supposed to be solved ?

This term refers to the overall increase in the price of goods and services. A) appreciation B) deflation C) depreciation D) inflation

The Spanish G makes a raspy h sound before what vowels? Select all that apply.

I'm confused how to solve this, can someone help??

what type of speech is the phrase the existing plots

The equation y = −2x + 3 is the boundary line for the inequality y ≤ −2x + 3. Which sentence describes the graph of the inequality?

Which countries in eastern europe had pro-soviet communist governments?

What is the constant rate of change of 4 in 7 days

Albert thought of a number, added 5, multiplied the result by 2, took away 6 and then divided by 2 to give an answer of 8