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

Solve: 12x- +5x-4-_ = 172x+6 O x=2 0 x==5 O x=2 x=-5 no solution

You are required to give 500micrograms of digoxin Elixir as a stat dose. you have 0.25mg/ml solution available. what volume is required to give the correct dose

the boys (clean) the car .it looks new again

3 To improve the acoustics in auditorium, a sound reflector with mass of 200 kg is suspended by a chain from the ceiling. What is its weight? What force (magnit

1.2.6 Quiz: Chronological Thinking Question 5 of 10 Though Japan's imperial system is thousands of years old, Japanese emperors had very little power during the

Describe the goals of the Bill and Melinda Gates Foundation. (Site 1)

a nucleus can be found in which type of cell? a. prokaryotic cells b. eukaryotic cells c. all cells.

&= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} S = square numbers E = even numbers Complete the Venn diagram. E, S 4 2,6 8, 10, 12 E & = { 1 , 2 , 3 , 4 , 5

The communist countries of North Korea and Cuba are suffering from severe economic problems

Which of the following statements is true?