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16-12-2020
Mathematics

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Find the 20th term in the arithmetic sequence
-4,1,6,11,16

Respuesta :

meowmeow223334 meowmeow223334

16-12-2020

Use formula:
an = a1 + d(n - 1)
a1 = -4, d = 5
Plug in the numbers
a20 = -4 + (20-1) * 5
a20 = -4 + 95, a20 = 91
Solution: the 20th term is 91

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