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Write the explicit formula for the sequence, and use to evaluate for the given term.

Write the explicit formula for the sequence, and use to evaluate for the given term.
asked 69.8k views
4 votes
Write the explicit formula for the sequence, and use to evaluate for the given term.

Write the explicit formula for the sequence, and use to evaluate for the given term-example-1
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User Yada
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2 Answers

5 votes

Explanation:

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Write the explicit formula for the sequence, and use to evaluate for the given term-example-1
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User Tsiki
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7.9k points
4 votes

aₙ=a₁+d(n-1)

aₙ= -20 + 1/2(n-1)

a₉= -20 + 1/2(9-1)

= -20 + 1/2(8)

= -20 + 4

= -16

answered
User Gcandal
by
9.2k points
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