lr23606 lr23606
  • 11-11-2021
  • Mathematics
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Use your work from above to find the sum of 501+502+503+…+800

Use your work from above to find the sum of 501502503800 class=

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cenderwinstead
cenderwinstead cenderwinstead
  • 11-11-2021

Answer:

Step-by-step explanation:

Gauss n(n+1)/2

which is n? the last number of the sum

500(500 + 1)/2 = 125,250

800(800+1)/2 = 320,400

uh oh forgot to read the last one, give me a minute. done

(800 - 501 + 1)(800 + 501)/2

300(1301)/2 = 195,150

or

320,400 - 125,250 = 195,150

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