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IgorLugansk [536]
3 years ago
6

. Is the sequence arithmetic? 15, 14.5, 14, 13.5, 13,… If so, give the common difference.

Mathematics
1 answer:
pychu [463]3 years ago
5 0
The answer to this question is -.5. We can determine the common difference by just subtracting the first number to the second number 14 - 14.5 is equal to -.5, 14.5 - 15 is equal to -.5 and so on. 
This sequence is arithmetic and the common difference is -.5
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Step-by-step explanation:

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Using limits, it is found that the infinite sequence converges, as the limit does not go to infinity.

<h3>How do we verify if a sequence converges of diverges?</h3>

Suppose an infinity sequence defined by:

\sum_{k = 0}^{\infty} f(k)

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\lim_{k \rightarrow \infty} f(k)

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\lim_{k \rightarrow \infty} f(k) = \lim_{k \rightarrow \infty} \frac{k^3}{k^4 + 10} = \lim_{k \rightarrow \infty} \frac{k^3}{k^4} = \lim_{k \rightarrow \infty} \frac{1}{k} = \frac{1}{\infty} = 0

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More can be learned about convergent sequences at brainly.com/question/6635869

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In the given question, it is already mentioned that Pam takes 15 minutes to type 2.5 pages. this information should be used as the main information for reaching the desired answer.
Pam typed 2.5 pages in = 15 minutes
Then time taken by Pam to type 23 pages = (15/2.5) * 23
                                                                     = 345/2.5
                                                                     = 3450/25
                                                                    = 138
So Pam will take 138 minutes to type 23 pages
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3 years ago
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