The sum of the first 50 terms in the arithmetic sequence 50 + 48 + 46 + ... Is A. 98 D. -52 В. 50 E. -106 С. 0

Q: The first term of an arithmetic sequence is equal to 6 and the common difference is equal to 3. Find…

A: The first term of the arithmetic sequence, a1 =6 he common difference,d= 3

Q: Find the sum of the finite arithmetic sequence. Sum of the first 130 positive odd integers

A: We know that the sum of n numbers in an arithmetic progression (A.P.) is: Sn=n2a+l where a is the…

Q: Construct the explicit formula of the sequence -12, 12, -12, 12, -12,...

A:

Q: Find the sum of the finite arithmetic sequence. Sum of the first 80 positive odd integers

A: Find the sum of the finite arithmetic sequence. Sum of the first 80 positive odd integers.

Q: find a formula for the nth term of the sequence. 1, -1/4,1/9, -1/16,1/25, ...

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Q: Insert the indicated number of arithmetic means between the given first and last terms of the…

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Q: Give the first three terms of each sequence based on the given a1=4,         r=-2         _____,…

A: To find the first three terms of each sequence

Q: Find the sum of the first 8 terms of the geometric sequence 3,6,12,…

A: First term= a= 3 Common ratio= r= 6/3= 2

Q: The sum of the first 20 terms of the sequence O.7,0.77, 0.777,.. is

A: We have to find the sum of first 20 terms of the sequence: 0.7, 0.77, 0.777, ..... Assuming the…

Q: The sum of the first 20 terms of the sequence 0.7, 0.77, 0.777, ... is

A: The given sequence is 0.7,0.77,0.777,...... The sum geometric sequence with common ratio r<1 ,of…

Q: Find the sum of the first 70 terms of the arithmetic sequence with the first term 6 and common…

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Q: Find the sum of the first 27 terms of the arithmetic sequence. 19, 28, 37, 46, .. What is the sum of…

A: Topic = Sequence

Q: Insert the indicated number of arithmetic means between the given first and last terms of the…

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Q: Find the sum of the first 37 terms of the arithmetic sequence. 29, 36, 43, 50,

A: Given,          The sum of the first 37 terms of the arthmetic sequence             29 , 36 , 43 ,…

Q: The sum of the first n terms of a sequence is (17n^2 )– 11n. Determine the 20th term.

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Q: Find the sum of the first nine terms of the geometric sequence:2, -6, 18, -54, . . . .

A: we have to find the sum of the first nine terms of the geometric sequence: 2, -6, 18, -54, . . . .

Q: Find the sum of the first 15 terms of the arithmetic sequence: 3, 6, 9, 12, .........

A: Given:A.P  3,6,9,12,.....a1=3,  a2=6d=a2-a1d=6-3d=3, a=3, n=15Sn=n2[2a+(n-1)d]

Q: If the nth term of a sequence is (-1)"+1, which terms are positive and which are negative? п

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Q: Write the explicit formula for the sequence 3, 7, 11, 15, 19, 23, ...

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Q: Insert the indicated number of arithmetic means between the given first and last terms of the…

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Q: Find the sum of the first 13 terms of the arithmetic sequence. 5,9, 13, 17. . What is the sum of the…

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Q: Find the sum of the first 30 terms of the arithmetic sequence. an = -3n + 27

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Q: Find the sum of the first 36 terms of the arithmetic sequence with first term 5 and 36th term 110.

A: Given first and 36th term is 5 and 110.

Q: find a formula for the nth term of the sequence. 1, 5, 9, 13, 17,...

A: 1, 5, 9, 13, 17,........ Clearly it is an arithmetic sequence with

Q: Determine the sum of the first 6 terms of the geometric sequence. 1,2, 4, .. So

A: A geometric progression is a type of sequenc in which ratio of two consecutive terms is always a…

Q: Determine the formula for the nth term of the sequence 2,7,12,17,22?

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Q: How many terms of the arithmetic sequence 20, 18, 16.... must be added so that the sum will be -100?

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Q: The sum of the first three terms of an arithmetic sequence is 45, and its 5th term is 24. What is…

A: We can find the 8th term of the GP as below

Q: Find the sum of the finite arithmetic sequence. Sum of the first 150 positive odd integers

A: To determine the sum of the first 150 positive odd integers.

Q: Find the sum of the first fifty terms of the sequence: 5, - 2, - 9, -16, .. O - 275 O - 338 O 8,575…

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Q: Find a formula for the nth term of the sequence 1, - 4, 9, – 16, 25, ..

A: We can find the nth term of the sequence. We notice pattern of the sequence.

Q: Find the sum of the first 50 terms of the arithmetic sequence. an -5n – 6 ||

A: The arithmetic sequence is given by an = -5n-6 To evaluate: The sum of the first 50 terms of the…

Q: If the 4th term and the 14th term of an arithmetic sequence are 13 and 73 respectively, the sum of…

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Q: The fifth term of an arithmetic sequence is 24, and the sum of the first 10 terms is 265. Write the…

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Q: Find a formula for the n th term of the sequence an whose first five terms are 0, 2, 6, 12, 20?

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Q: If the third and fourth terms of an arithmetic sequence are 12 and 16, what are the first and second…

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Q: The arithmetic sequence with a1=5 and d=4 _____,_____,_____,_____

A: Given: a=5,d=4

Q: Find the sum of the first 10 terms of an arithmetic sequence formed by odd integers starting from…

A: The objective is to find the sum of first 10 terms of an arithmetic sequence formed by odd integers…

Q: The sum of the first eight terms of an arithmetic sequence {an} is 24; the sixth term is 0. Find a…

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Q: 回 ☆ Find the sum of the indicated number of terms of the arithmetic sequence. 34, 29, 24, ...; n =…

A: Given arithmetic sequence Find the sum of 21 terms

Q: 1. Find the value of the 11th term in the sequence 2, 6, 18, 54, ...

A: Topic = Sequence

Q: find a formula for the nth term of the sequence. 1/25,8/125,27/625,64/3125,125/15,625, ...

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Q: Find the sum of the first 8 terms of the sequence −1, −7, −49, −343, . . . (geometric)

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Q: Find the sum of the finite arithmetic sequence. Sum of the first 70 positive odd integers

A: The given question is solved below.

Q: How many terms of the arithmetic sequence 3,5,7... must be added together to get 899?

A: If you like the solution then please give it a thumbs up... The Answer is:       Terms =  n = 499

Q: If the nth term of a sequence is (−1) n n 2 , which terms are positive and which are negative?

A: We will plug some values for n to check how the signs change.

Q: Find the sum of the first 109 terms of the arithmetic sequence: 3, 7, 11, 15, 19, ..

A: Given : 3, 7, 11, 15, 19…

Q: 3. -5, 15, -45,... n = 7

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Q: The sum of the first 33 terms of the geometric sequence 1, 2, 4

A:

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.