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Pie
3 years ago
6

How do you find the sum

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
7 0
Calculate the<span> average of </span>the<span> first and second term. To do this, add </span>the<span> two numbers, and divide by 2. Multiply </span>the<span> average by </span>the<span> number of terms in </span>the<span> series. This will give you </span>the sum<span> of </span>the<span> arithmetic sequence.

</span>
guajiro [1.7K]3 years ago
4 0
Just add up the numbers given.

unless you mean something more complex, like angles and stuffs.
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