3 years ago

Solveee 3x^2 - 9 = 0

Mathematics

1 answer:

Scorpion4ik [409]3 years ago

8 0

Answer:

x = ± $\sqrt{3}$

Step-by-step explanation:

Given

3x² - 9 = 0 ( add 9 to both sides )

3x² = 9 ( divide both sides by 3 )

x² = 3 ( take the square root of both sides )

x = ± $\sqrt{3}$

You might be interested in

A friend gives you 120 feet of fencing. You want to make a circular dog

I am Lyosha [343]

Answer:

120 feet of fence is enough for a circle 38 feet in diameter

4 0

3 years ago

In the unit circle, the value of sine is the y-coordinate of the unit radius. What is the value of cosine?

Agata [3.3K]

Cos is the x-coordinate of the unit circle

7 0

3 years ago

Read 2 more answers

Write an expression/equation/inequality represented by the following statements. NO NEED TO SOLVE

serious [3.7K]

Answer:

a. $n - 11 \le 14$

b. $5n - 10 < 4(n - 8)$

Step-by-step explanation:

a. A number decreased by 11 is at most 14.

$n - 11 \le 14$

b. Ten less than five times a number is less than four times the number decreased by eight.

$5n - 10 < 4(n - 8)$

8 0

3 years ago

Helppppp and explain tooo pls and thankyouuu

Nina [5.8K]

Answer:

--- ---

| -5 -2 |

| 4 12 |

--- ----

Step-by-step explanation:

A matrix can only be added to (or subtracted from) another matrix if the two matrices have the same dimensions . To add two matrices, just add the corresponding entries, and place this sum in the corresponding position in the matrix which results.

6 0

3 years ago

Need to kno number 10

Doss [256]

I believe answer one...I hope I helped!

6 0

3 years ago