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horrorfan [7]
3 years ago
11

Solve x^2 = 5.

Mathematics
2 answers:
Phantasy [73]3 years ago
5 0

Answer:

B.

Step-by-step explanation:

Take the square root of x^2 which would make the left side x and the right side the square root 5

m_a_m_a [10]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

Trust me, its B I just finished that lesson.

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Factor the polynomial below. 9x^2-1 A. (-1)(9x-1) B. (3x-1)(3x-1) C. (3x-1)(3x+1) D. (x-1)(9x+1)
telo118 [61]

Answer:

(3x-1) (3x+1)

Step-by-step explanation:

9x^2-1

Rewriting as

(3x)^2 - 1^2

This is the difference of squares

a^2 - b^2 = (a-b)(a+b)

(3x-1) (3x+1)

6 0
3 years ago
Ok I’m actually dumb lol help me please.
mezya [45]

Answer:

x =20

Step-by-step explanation:

As a line is 180 degrees

So 7x + 40 would be 180, which would lead us with the equation:

7x+40=180

=7x =140 (minus both sides by 40)

=x =20 (divide both sides by 7)

3 0
3 years ago
What do you start with?<br> 6(3+8n)=210
neonofarm [45]
Always start with what’s in the parentheses:)
3 0
3 years ago
Read 2 more answers
Both Need To Be Checked :-)
Tems11 [23]
I think u should check the first one again u made a mistake but the second one is correct if u need any more help ask me
6 0
2 years ago
Read 2 more answers
-. If 5 + 4 = 9, does (5 + 4) = 3 = 9 = 4? Why or<br> why not?
Serjik [45]

Answer:No because if you add 5 plus 4 you will get nine but when u subtract 5 from four you will get 1 so no it would not get you any of those

Step-by-step explanation:

7 0
3 years ago
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