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bixtya [17]
3 years ago
5

Write an equivalent expression for 55+15n.​

Mathematics
2 answers:
luda_lava [24]3 years ago
6 0
55+15n
Divide both by 5
11+3n
satela [25.4K]3 years ago
4 0

Answer:

5(11+3n)  

Step-by-step explanation:

divide the whole equation by 5

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What is the explicit formula for this sequence -7, -4, -1, 2, 5
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Answer:

\large\boxed{a_n=3n-10}

Step-by-step explanation:

It's an arithmetic sequence.

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The difference is constant.

The explicit formula of an arithmetic sequence:

a_n=a_1+(n-1)d

Substitute:

a_1=-7,\ d=3

a_n=-7+(n-1)(3)          <em>use distributive property</em>

a_n=-7+3n-3\\\\a_n=3n+(-7-3)\\\\a_n=3n-10

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Step-by-step explanation:

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