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02-03-2021
Mathematics

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(25 POINTS) 10. Find the sum of the arithmetic sequence. 5, 7, 9, 11, ..., 23

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AnimalPost AnimalPost

02-03-2021

Answer:

Sum = 140

Step-by-step explanation:

We find all the terms, we know that every consecutive term, we add 2 until we reach 23:

Sum = 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23

Sum = 140

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