In a sequence, the nth term is the sum of the positive divisors of n. What is the 20th term? O 21 O 11 42 O 41

Q: The 11th term in the sequence 1/6, -1/2, 3/2, -9/2, ...... can be written as ______?

A: Given geometric series,       16,-12,32,-92,.....

Q: 8. The cighth term in the sequencc 512, 256, 128, 64, ... is a. 4 b. 2 C. d. 1

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Q: in the sequence 1,4,8,10,15,26,95,17,80 which of the following would be the correct way to refer to…

A: As we can see  26 is 6th term in the given sequence

Q: Describe how subsequent terms may be determined and state the next two terms in the sequence: 1 1 1…

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Q: What is the degree of the sequence 3, 6, 13, 25, 45, 78, ...? A degree of 1 B degree of 2 C degree…

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Q: 13. Determine the number of terms in the following sequence 4, 12, 36,..., - 19131876

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Q: What should be the next number in this sequence? 1, 4, 27, 256, O A. 3,125 O B. 2,048 O C. 1,024 O…

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Q: Show that the sequence 9, 12, 15, 18, ... is an A.P. Find its 16th term and the general term.

A: Given sequence is 9, 12, 15, 18, ...

Q: Use the method of successive differences to determine the next number in the given sequence. 3, 5,…

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Q: The numbers in the following sequence increase by 14, then by 16, then by 18, etc. Continue this…

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Q: ← Until recently, all area codes had a 0 or a 1 as the middle digit and the first digit could not be…

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Q: A. Write the missing term/s in the given series of numbers. 1. Find the next three terms in: -14,…

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Q: Find the 9th term in the given sequence: {3, 9, 27, . . . } Write the answer and explain below

A: To Find the 9th term in the given sequence: {3, 9, 27, . . . }

Q: Study the given sequence: 1, 2, 4, 7, 11, 16, 22, 29, 37, 46, ... what is the 120th term in the…

A: Given sequence is 1, 2, 4, 7, 11, 16, 22,...…

Q: How many different two-letter sequences can you make by rearranging the letters {J,A,C,K}? Duplicate…

A: We need to find in how many different ways two-letter sequences can be made by rearranging the…

Q: Find the missing term of each arithmic sequence. 14,_,28 98,_,66 65,_,-60

A: This is question of algebra  here arithmetic sequence is  given further calculation is given below

Q: Consider the sequence -11, -6, -1, 4, ..., 5n — 1. a. How many terms are there in the sequence? b.…

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Q: What is the 9th term of the sequence 6, 42, 294, 2058, ..?

A: First Term = 6 Second Term = 42 Third Term = 294 Fourth Term = 2058   Common Ratio = 42/6 = 7 The…

Q: consider the sequence 20,26,32,38,...,6n+8 a. how many terms are there in the sequence? your answer…

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Q: Write an explicit formula for the sequence 14 19 8 29 9, 3'7'5'31 5 n+ 4 2"-1 9 n b. an 2" -1 5n +4…

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Q: Given the sequence 100, 10, 1, ... the term a

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Q: Consider the sequence 30, 38, 46, 54, . . . , 8n – 2. a. How many terms are there in the sequence?…

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Q: Q2. a) Write the explicit formula for the nth term of the sequence below. 4, 6, 10, 18, 34, ... b)…

A: Find your answer below

Q: Given the sequence of "-2, -5,-8,-11, ...". Determine the sum of its first 20 terms. -590 O None of…

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Q: 35 + 36 + 37 + 38 + ... + 101 + 102

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Q: Ryan is building a triangle sequence so that one triangle is added to the right each time, as shown…

A: The objective is to find the number of matchsticks will be in the nth and (n-1)th figures.