find the sum of all even numbers between 10 and 500
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0
Answer:
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Step-by-step explanation:
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Answered by
2
Answer:
62220 is the answer to your question
Step-by-step explanation:
12, 14,16,........498
an = a+(n-1) d
498 = 12 + (n-1) 2
498-12=(n-1)2
486/2 = n-1
243+1 = n
n = 244
Sn = n/2(a+l)
= 244/2(12+498)
= 122(510)
= 62220
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