krystamt
krystamt krystamt
  • 10-02-2017
  • Mathematics
contestada

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

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Ashvin1
Ashvin1 Ashvin1
  • 10-02-2017
40(40+1)
_______
2



=40×40+40×1
____________
2


=1640÷2
= 820

hope this clarifies;)
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