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Makovka662 [10]
3 years ago
8

Which expression is equivalent to 3a+9a+7b-b

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0

Answer:

12a+6b

Step-by-step explanation:

3a+9a+7b-b

Combine like terms

3a+9a    +7b-b

12a         +6b

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Round to the nearest thousands<br> 3475.6993
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3475.699

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Am I correct?

4 0
3 years ago
Help me please
Ivan

Answer:

==7x3−5x2+6x−5

Step-by-step explanation:

=5x3+7x+(-8)+2x3+−5x2+−x+3

Combine Like Terms:

=5x3+7x+−8+2x3+−5x2+−x+3

=(5x3+2x3)+(−5x2)+(7x+−x)+(−8+3)

=7x3−5x2+6x−5

4 0
2 years ago
Which of the following quadratic equations has the solution set {1/2,5}? select all that apply.
Pie
The answer are B, D and F.

If you solve for x for B, D and F, you'll get (1/2,5)
5 0
3 years ago
Which values are solutions to the inequality below? <br><br>Check all that apply.<br><br>x2 &lt; 81
11111nata11111 [884]
A(6) and D(-4) are solutions to the equations

(6)^2 < 81  |  36 < 81

(-4)^2 < 81  |  16 < 81
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3 years ago
Read 2 more answers
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