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Lady bird [3.3K]
2 years ago
6

Simplify the expression 21b4 − 3b by combining like terms.

Mathematics
1 answer:
mrs_skeptik [129]2 years ago
4 0
I think the answer is number 3
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P(k)=k/7+k^4+3<br> What is the coefficient of k?
vova2212 [387]

Answer:the coefficient of k is 1/7

Step-by-step explanation:

The given expression is

P(k)=k/7+k^4+3

The coefficient of k is the number before the term k. The number before the term, k is 1/7

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3 years ago
Simplify. 6x-^2 <br><br> A) 6/x^2 <br><br> B) x^2/6 <br><br> C) 1/6x^2 <br><br> D) 1/36x^2
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If 6 also had the -2 exponent answer would be D if not then A

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Step-by-step explanation:

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12a - 6 + 7a - 2a ; a = 4<br> Need help please
Novosadov [1.4K]

Answer:

62

Step-by-step explanation:

Plug in the value of a in the equation:

12(4) - 6 + 7(4) - 2(4)

Solve 12(4) - 6:

12(4) - 6 = 48 - 6 = 42

Solve 7(4) - 2(4):

7(4) - 2(4) = 28 - 8 = 20

Combine both answers (42+20):

42+20 = 62

Complete answer:

12(4) - 6 + 7(4) - 2(4) = 62

3 0
3 years ago
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