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What is the sum of the integers from 13 to 75, inclusive? A.2184 B.227
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18 Jan 2022, 04:54
18 Jan 2022, 04:54
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Question Stats:
80% (01:23) correct
20% (02:25) wrong based on 5 sessions
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What is the sum of the integers from 13 to 75, inclusive?
A.2184
B.2279
C.2332
D.2376
E.2385
Kudos for the right answer and explanation
A.2184
B.2279
C.2332
D.2376
E.2385
Kudos for the right answer and explanation
Re: What is the sum of the integers from 13 to 75, inclusive? A.2184 B.227
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18 Jan 2022, 10:45
18 Jan 2022, 10:45
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sum of AP= n/2(2a +(n-1)d)=63/2(2*13+(63-1)*1)=63/2*(26+62)=63/2*88=63*44=2332
Re: What is the sum of the integers from 13 to 75, inclusive? A.2184 B.227
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20 Mar 2022, 08:09
20 Mar 2022, 08:09
i thought that 2772 would be the answer
