The 3rd term of an arithmetic series is 34 and the 17th term is –8. Find the sum of the first 20 terms

Q: The third term of the arithmetic sequence is 72 and the number of the third term with the fifth term…

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Q: A tree grows in a greenhouse from a seedling for about a year and then taken to a field and planted.…

A: Form the geometric series and use the sum of infinity geometric series than simplify.

Q: 17 + (-17) + 17 + (-17) + ..., S6-

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Q: Determine the sum of the arithmetic series. t1=9, d=4, n=17.

A: Given data is : t1=9d=4n=17 To determine the sum of the arithmetic series.

Q: Find the n th term of the arithmetic sequence whose initial term is a, and common difference is d.…

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Q: -. Write 0.223 as an infinite series and find its sum.

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Q: Find the 8th term in the sequence 18n-36.

A: Put n= 8

Q: The SECOND and THIRD term in a geometric sequence is 16 and 5th term is 54. Find the sum of the…

A: Topic:- sequence and series

Q: Find the sum of the infinite geometric series.

A: To find: The sum of the infinite series ∑i=1∞12-0.7i-1. Concept used: The sum of infinite geometric…

Q: 40. (17n-25)

A: See the series  n-th term is  Tn = 17n - 25  Sum of series = (n/2) ( a + l ) Here a is the first…

Q: Find the sum of the series.

A: The series is:

Q: A construction worker is pouring concrete stairs. The first step requires 1.8 cubic feet of…

A: Concept: Arithmetic sequence: The series where the common difference between any two next words…

Q: 72-1 b) En=1an for an 5. )** 00 %3D

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