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01-02-2021
Mathematics

contestada

an = -15 + 5(n – 1)
Find the 21st term of the sequence.

Respuesta :

01-02-2021

Answer:

[tex]a21 = - 15 + 5(21 - 1) \\ = - 15 + 105 - 5 \\ = 85[/tex]

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