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Step2247 [10]
3 years ago
12

What’s the 84th term of the arithmetic sequence -5, 15, 35

Mathematics
1 answer:
Mrac [35]3 years ago
7 0

Answer:

<h3>            a₈₄ = 1655  </h3>

Step-by-step explanation:

15-(-5) = 20 and 35-15=20  so d=20

a_n=a_1+d(n-1)\\\\a_1=-5\\d=20\\\\a_{84}=-5+20(84-1)=-5+20\cdot83=-5+1660=1655

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