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aniked [119]
3 years ago
15

Which of the following choices is the simple formula for the nth term of the following arithmetic sequence?

Mathematics
1 answer:
VladimirAG [237]3 years ago
4 0
First, we start off with the nth term formula for an arithmetic sequence, which is 
a_{n} =a_{1}+(n-1)d

plug in the sequence numbers where they belong

a_{n}=5+(n-1)*(-4)

a_{n}=5+(-4n+4)
a_{n}=5-4n+4
a_{n}=-4n+9

And this is the final answer
-4n+9
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Edit: 

Part C -- Part 1) Probability of rolling double sixes


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Answer as a decimal: 0.1389

Answer as a percent: 13.89%

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---------------------------------------------


Part C -- Part 2) Probability of rolling doubles


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5 and 5

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Answer as a fraction: 1/6

Answer as a decimal: 0.1667

<span>Answer as a percent: 16.67%</span>

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