grasersp grasersp

02-11-2021
Mathematics

contestada

If x = 3, what is the value of 2x^2 - 9?
A.
9
B.
36
C.
27
D.
29

Respuesta :

sup3rman2295 sup3rman2295

02-11-2021

Answer:

A. 9

Step-by-step explanation:

3^2=9

9x2=18

18-9=9

Answer Link

KarenRodrigues KarenRodrigues

02-11-2021

Answer:

Substitute the 3 for x into the equation.

2(3)^2 - 9

2(9) - 9

18 - 9

9

So, the answer is A) 9.

:)

Answer Link

Otras preguntas

What percentage of the mile times range from 7.25 to 9.375?

how do you find the circumference, radius, and diameter in area?

3a+2(4a-b) please simplify this equation with processing

A rectangular box with a square base and no top is to have a volume of 108

The failure of the brain to work properly would most directly affect the what?

There are a total of 12 bicycles and tricycles in a parking lot. If there are 31 wheels in all, how many of them are bicycles?

how do you find the circumference, radius, and diameter in area?

Exactly 150 years ago, students planted a tree in front of their school. Since then, the tree has grown 21 meters taller and the distance around the trunk has

HELP QUICK EASY QUESTION IM JUST DUM A factory has 10 pounds of red dye for its marbles. Each batch of marbles uses 0.2 pound of red dye. a. Juan says that the

Calculate the kovats retention index for an unknown using the retention times 1. 6 min for ch4, 12. 8 min for octane, 15. 4 min for the unknown, and 19. 6 min f