krystamt krystamt

10-02-2017
Mathematics

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use the equation S=n(n+1) to find the sum of consecutive even numbers through 40.

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Ashvin1 Ashvin1

10-02-2017

40(40+1)
_______
2

=40×40+40×1
____________
2

=1640÷2
= 820

hope this clarifies;)

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