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the sum of the 10th and 11th terms of an arithmetic sequence is 65 what is the sum of its first 20th terms​
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the sum of the 10th and 11th terms of an arithmetic sequence is 65 what is the sum of its first 20th terms​

User Simon M
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1 Answer

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Answer:

this is the answer

Explanation:

a 65

b 650

c 52

d 3

the sum of the 10th and 11th terms of an arithmetic sequence is 65 what is the sum-example-1
the sum of the 10th and 11th terms of an arithmetic sequence is 65 what is the sum-example-2
User ROrlig
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