rovea6654 rovea6654

24-07-2020
Mathematics

contestada

Find the 50th term of the following arithmetic sequence.
6, 13, 20, 27, ...

Respuesta :

24-07-2020

Answer:

349

Step-by-step explanation:

We know that a₁ (the first term) is 6 and d (the common difference) is 13 - 6 = 7.

Explicit formula: aₙ = a₁ + (n - 1)d = 13 + (n - 1) * 7 = 7n - 1

Therefore, a₅₀ = 7(50) - 1 = 349

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