a) Find the formula for the arithmetic sequence with n > 1. - 15, – 10, – 5, 0, 5, .. an b) Find the sum, S20, of the first 20 terms of the sequence. C) Find the formula for the geometric sequence with n > 1. 3 3 3 3 b, = 3, 2'4'8' 16 d) Find the sum, S20, of the first 20 terms of the sequence.

Q: Which term n of the arithmetic sequence 7, 11, 15, . . . is 115? I understand d = 4 (ie. 11-7 = 4)…

A: The given sequence is 7, 11, 15, . ........... First term a = 7 Common difference d = 11 - 7= 15-11…

Q: Which term of the arithmetic sequence {24, 29, 34, 39, ... } is 144? It is the th term.

A: Given: The given arithmetic sequence = 24, 29, 34, 39, ..... Formula used: an = a + (n-1)d Where,…

Q: A) fine the 23rd term in the sequence with a1=-5 and d=3 B) Find the 32nd term in the sequence with…

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Q: O Write the first five terms of each sequence. a) a, 2"-1,n21, b) b, = b +b 2,b, =1,b, 2, n23.

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Q: The first four terms of a sequence are given: 23, 21, 19, 17..., find the 50th term of the sequence.

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Q: 4. In an arithmetic sequence, t₁0-11 and t18=27, determine the first 2 terms.

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Q: 2a. Find a formula for the nth term of the arithmetic sequence below. 1,_,4, , 7, ...

A: Solve by formula

Q: 1. Classify the sequence and find the ninth term. Explain each step. -5, 15, -45, 135, –405,...

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Q: What are the next three terms of the geometric sequence 4, 24, 144, ... ? O 864, 3,456, 13,824 864,…

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Q: find the 9th term geometric sequence a1=5; r=6 7th term a1=10; r=2 10th term a1=3; r=7

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Simone wrote the sequence 5, 7, 9, 11, .... (4.3) a) Write an algebraic expression for the nth term…

A: Given Simone wrote the sequence 5,7,9,11......

Q: Determine if the sequence if geometric. If it is, find the explicit formula for the nth term, and…

A: The sequence is said to be a geometric sequence if the ratio of any two consecutive terms is equal…

Q: 7. What is the 15th term of the sequence -8,-11,-14,-17, ...? a. -44 b. -47 c. -50 d. -53

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Q: The nth term of a sequence is given. Find the first five terms of the sequence a) Un = 3(-4)n-1 b)…

A: Given: The below nth terms of the sequence : (a) un=3-4n-1 (b) un=3n-1 To find: The first five terms…

Q: Consider the sequence: 17, 14, 11, 8, ..., find the 26th term of the sequence.

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Q: 6. The first four terms of an arithmetic sequence are 2, a-b, 2a+b+7, a-3b. Find a and b.

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Q: help please

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Q: Find the missing values of the arithmetic sequence A) s-r , 2r+2s , 5r+3s ,6 , ….. B) 6, a-b , 2a+b…

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Q: 7.. Given the values of a and d, write the first three terms of the arithmetic sequence. Then, write…

A: We want to find general term.

Q: The 4th term and 15th term of an arithmetic sequence are 24 and 123 respectively. Find the 72nd…

A: Given problem Given that   The 4th term and 15th term of an arithmetic sequence are 24 and 123…

Q: Find an expression for the n th term (t) in each of the following sequence: 1 1 1 1 1 >... 3 4 5 6.…

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Q: 2 11 7 17 5 E. The common difference in the arithmetic sequence 3, 12'6' T2'3. IS a. 3 с. 1 4 b. 1 4…

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Q: 4. Find the value of x so that x+7, -x-1, x+ 13,.. shall form a geometric sequence.

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