Consider the following sequence: a1 = 2, and an = 2an-1+1, for 7 > 1. What is the value of @6? (Enter your answer as a single integer.)

Q: a5 = -15 and a13 = -55 Find for the arithmetic sequence above: a21 =

A: Given:  a5=-15 and a13=-55 To Find:  To find a21 for the above arithmetic sequence.

Q: Use an=a1+(n-1)d and gn=g1re-1 to find: the 59th term of the arithmetic sequence 20, 16, 12, 8 . .…

A: Our aim is to find the 59th term of the arithmetic sequence given below:-20,16,12,8.....        -(i)

Q: A display of cans in a grocery store consists of 18 cans in the bottom row, 15 cans in the next row,…

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Q: Write the explicit formula of the sequence 25, 21, 17, 13

A: Given 25,21,17,13 It is in arthematic series Because it has difference 4 for each number.

Q: egrand as a sum of

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Q: Write the arithmetic sequence 33, 30, 27, 24, .. in the standard form: an %3D

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Q: Find the missing term in the sequence: 117, 107, 160, 150, 113, 12, ___, 01.

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Q: Write the sequence in closed form. Make sure to indicate the domain. 3 %3D aj = 5

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Q: Fill in the missing terms for the geometric sequence аn 4 1 2 16

A: Given: Geometric series

Q: For the arithmetic sequence, find and when a1 4 and d = - 5. %3D a11 an a11 -

A: first term a1 = 4 common difference d =-5

Q: zu 00{ " + uc}

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Q: List the first four terms of each sequence. an bn = -8n +9: = =(5)n. C₁ = 2, Cn = 2Cn-1 +1:

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Q: Write the first 5 elements of the sequences: 1. a = 3k +4

A: Answer is here

Q: Find the sum of the terms of an arithmetic sequence: 3+ 15+ 27+ 39... +615

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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.

Q: 2. How many terms are in the sequence -13, -1, 11, 23, ... 419.

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Q: Which word best describes this formula for the sequence a,? a, = 41n - 2n2 - 96n + 44 explicit…

A: Given a formula of an .

Q: Write the arithmetic sequence 11, 20, 29, 38, ... in the standard form: an=

A: Given that the arithmetic sequence is                              11, 20, 29, 38, . . .  To write…

Q: 18. The first term of a sequence is −5 and the common difference is -8. State the general term.

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Q: What is the twelfth term in the sequence an=3n-22

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Q: in the standard fo ... Write the arithmetic sequence - 4, - 10, - 16, – 22, An %3D DVideo M Message…

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Q: 19. Write the general formula for the sequence 6, 18, 54, ...

A: The first few numbers in the given sequence are 6, 18, 54 etc.  Now,       18/6 = 3       54/18 = 3.…