determine whether f is in arithmetic sequence. Is so identify the common difference. n 1 2 3 4 f(n)...

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What are the first five terms in the arithmetic sequence an=8n, starting with n=1. Please help.. A) {1/8, 1/16, 1/24, 1/32, 1/40} B) {1, 2, 3, 4, 5} C) {9, 10,...

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the third term is 10 and the fifth term is 16. a) find the common difference b) find the first term c) find the sum the first 20th term of the sequenc...

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a1=5,d=-4/3

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Find the 5th,50th, and nth term of the arithmetic sequences 1) 3,5,7... 5th...13 is it correct ? 50th...103 is it correct ? Nth...??? I have no idea how to find this 2) a1=2.1,...

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1)75 ∑ 3n+5 n=1 2) 150 ∑ 2n n=101

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1,4,9,16,25… ..n=10

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What is the graph of the sequence an=25-3n I dont get it.