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Find the sum of the arithmic series:

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1. 28 + 28.4 + … + 42
2. 12 + 22 + … + 142
3. 8 + 13 + … + 58

User Nico Kaag
by
4.0k points

1 Answer

5 votes

Answer:

1. 98.4

2. 176

3. 79

Hope This Helps

Explanation:

User RRM
by
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