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jeyben [28]
3 years ago
13

Help with algebra pleaseee

Mathematics
2 answers:
Sati [7]3 years ago
8 0
Answer: 2

Explanation:

(3x^2 + 5x - 6) + (-x^2 + 3x + 9)

3x^2 + 5x - 6 - x^2 + 3x + 9

2x^2 + 8x + 3
maria [59]3 years ago
4 0

Answer:

option 2 is correct

mark this as brainliest!

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The picture below...
Flura [38]

Answer:

27

Step-by-step explanation:

9+8+10=27

7 0
2 years ago
Solve. 14/n+7=10/n-4<br><br> N=5.25<br> N=3.5<br> N=31.5<br> N=30
Ilya [14]

Answer:

n=31.5

Step-by-step explanation:

The given question is:

\frac{14}{n+7}=\frac{10}{n-4}

Cross multiply to get:

14(n-4)=10(n+7)

Expand the parenthesis:

14n-56=10n+70

Group similar terms:

14n-10n=70+56

Combine the like terms

4n=126

Divide both sides by 4

n=\frac{126}{4}

n=31.5

5 0
3 years ago
What is 2 1/8 (Mixed number) x (times) 34 (Whole number) ?<br><br><br><br><br> PLEASE HELP ASAP
Lerok [7]

It's 289/4 or 72.25

4 0
2 years ago
How do I get the answer to this
Crank
The answer to this question is 8.6 or c
5 0
2 years ago
-1/6 + 2/3 (9 - 3/4) - 1/2<br><br> I’m confused if someone can help
emmainna [20.7K]

Answer:

4.83333333333

Step-by-step explanation:

I'm sorry if that is wrong but I believe it is right

7 0
3 years ago
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