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The answer to this question Find the sum of the first 25 elements what series -5 19 43 67?
Wiki User
∙ 14y ago
-5 19 43 67 ...
This is an arithmetic sequence because each term differs from the preceding term by a common difference, 24.
In order to find the sum of the first 25 terms of the series constructed from the given arithmetic sequence, we need to use the formula
Sn = [2t1 + (n - 1)d] (substitute -5 for t1, 25 for n, and 24 for d)
S25 = [2(-5) + (25 - 1)24]
S25 = -10 + 242
S25 = 566
Thus, the sum of the first 25 terms of an arithmetic series is 566.
Wiki User
∙ 14y ago
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