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In the sequence – 40, –33, –26, –19, … determine the 77th term and the sum of the first 90 terms.

In the sequence – 40, –33, –26, –19, … determine the 77th term and the sum of the first 90 terms.
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In the sequence – 40, –33, –26, –19, … determine the 77th term and the sum of the first 90 terms.

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User Twitch After Coffee
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7.8k points

1 Answer

5 votes
The 77th term is 532 because the nth term is 7n-7

7x77=539

539-7=532
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User Jontejj
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