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4 votes
An = 13 + (n - 1)7

determine the 15th term in the sequence

2 Answers

5 votes

Answer:

a₁₅ = 111

Explanation:

Following the formula

aₙ = 13 + (n - 1)7

a₁₅ = 13 +(15-1)7

a₁₅ = 13 +(14)7

a₁₅ = 13 + 98

a₁₅ = 111

User PAS
by
8.2k points
5 votes

Answer:

So, the 15th term in the sequence is 111.

Explanation:

To find the 15th term in the sequence, you can use the formula given for the nth term of the sequence:

=

13

+

(

1

)

7

a

n

=13+(n−1)⋅7

Simply substitute n = 15 into the formula and calculate:

15

=

13

+

(

15

1

)

7

a

15

=13+(15−1)⋅7

15

=

13

+

14

7

a

15

=13+14⋅7

Now, calculate the product:

15

=

13

+

98

a

15

=13+98

15

=

111

a

15

=111

User Andoni Zubizarreta
by
8.3k points

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