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mina [271]
3 years ago
13

Perform the indicated operation. (-9 + 21) - (-12 + 4) =

Mathematics
1 answer:
Trava [24]3 years ago
6 0

Answer:

29

Step-by-step explanation:

-9+21= 21

-12+4=-8

21-(-8)=29

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Having trouble with add or subtracting the given polynomials
Bumek [7]

7.

(2b^2+7b^2+b)+(2b^2-4b-12)

(9b^2+b)+(2b^2-4b-12)

9b^2+b+2b^2-4b-12

11b^2+b-4b-12

11b^2-3b-12

8.

(7g^3+4g-1)+(2g^2-6g+2)

7g^3+4g-1+2g^2-6g+2

7g^3-2g-1+2g^2+2

7g^3-2g+1+2g^2

7g^3+2g^2-2g+1

Hope this helps!

3 0
3 years ago
Read 2 more answers
Mean, medium, & mode of 17, 6, 20, 11, 13, 20, 18
kodGreya [7K]

Step-by-step explanation:

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5 0
3 years ago
Prompt Use the applet to select 20 different random samples of 100 part-time college students. For each sample the applet calcul
Ket [755]

Answer:

Yes, we can expect the given result

Step-by-step explanation:

The population proportion P = 0.60

the 95% confidence interval is ( 0.56, 0.76)

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6 0
2 years ago
A) 121 <br> B) 102<br> C) 141 <br> D) 115
patriot [66]

Answer:

121

Step-by-step explanation:

cause if its on the oppsite side its going to be the same number

8 0
2 years ago
Which one is the greatest 2/5, 0.35 or 0.3
Tema [17]
0.35 is the answer of the questions
5 0
3 years ago
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