Find the 11th term of the arithmetic sequence 1, 4, 7, 10, ...

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asked Jan 17, 2021 10.7k views

1 vote

Find the 11th term of the arithmetic sequence 1, 4, 7, 10, ...

Mathematics
high-school

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by Or

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2 Answers

4 votes

Answer:

$a1 = 1 \\ d = 4 - 1 = 3 \\ a11 = a1 + 10d \\ a11 = 1 + 10 * 3 \\a11 = 1 + 30 = 31 \\ thank \: you$

Istrel answered Jan 17, 2021

by Istrel

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4 votes

Answer:

Explanation:

1,4,7,10

r=3

a1+10r=a11

a1+30=a11

a1=1

a11=31

Larsi answered Jan 23, 2021

by Larsi

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