For an arithmetic sequence whose first term is 4 and common difference is 3, we conclude that its 20th value of the given sequence is equal to 61.
In this question we must calculate the 20th term of a given arithmetic sequence. Arithmetic sequences are discrete sets, whose values are determined by the following linear expression:
y = a + r · (n - 1) (1)
Where:
If we know that a = 4, r = 3 and n = 20, then the 20th term of arithmetic series is:
y = 4 + 3 · (20 - 1)
y = 61
For an arithmetic sequence whose first term is 4 and common difference is 3, we conclude that its 20th value of the given sequence is equal to 61.
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