Find the sum of the first 21 terms of the arithmetic sequence given by the formula a, = n + 5 273 336 320 63

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: Write the first four terms of the sequence whose general term is given an = (-1)n+1/2n +1

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Q: Write the explicit formula of an arithmetic sequence given the information below: a10=102 and…

A: To write the explicit formula of an arithmetic sequence with the given information

Q: 10) The diagram shows the approximate distances from Houston to Dallas and from Austin to Dallas.…

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Q: QUESTION 1 Find the sum of the terms in the arithmetic sequence S = 3 + 7 + 11 + ... + 387 Using all…

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Q: Find the 10th term of the arithmetic sequence in which a1=12 and d = 9.1.

A: It is given that, a1=12d=9.1   It is known that nth term of arithmetic sequence can be found  by…

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

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Q: Find the 8th term of an arithmetic sequence with a1 = −2 and a15 = 68.

A: Using  a1 = −2 and a15 = 68 we find common difference d and use the term formula of AP.