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Mathematics
G Tony Jacobs's user avatar
G Tony Jacobs's user avatar
G Tony Jacobs's user avatar
G Tony Jacobs
  • Member for 11 years
  • Last seen more than a week ago
  • Denton, TX
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About

I used to participate a lot on this site, and really enjoyed answering people's questions in a way the felt personal and friendly. That's not encouraged here, though, so I've mostly disappeared.

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Top posts
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answer
243
Why does multiplying a number on a clock face by 10 and then halving, give the minutes? ${}{}$
Mar 21, 2018
answer
96
Why do you add +1 in counting test questions?
Sep 4, 2013
answer
53
What is the probability of the sum of four dice being 22?
Jul 9, 2017
question
41
Continued fraction with prime reciprocal entries
Sep 3, 2013
answer
33
Why is it that if I count years from 2011 to 2014 as intervals I get 3 years, but if I count each year separately I get 4 years?
Jul 27, 2014
answer
33
Collatz lattice
Aug 10, 2017
answer
33
How to deal with lim sup and lim inf?
Jun 14, 2017
answer
32
A certain car model costs 21,000 euro now, and it devaluates 5% every year. How much will it cost in 6 years?
Nov 25, 2016
answer
31
What is the purpose of a function being surjective?
Jun 16, 2017
answer
30
Probably that an $80\%$-truthful person actually rolled a $6$
Nov 15, 2017
Top Meta posts
1
1
56
Is "playing dumb" considered un-helpful?
4
Are others irritated like I am with the use of the word "domain" in questions?
Top network posts
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46
Ethical question about preauthorizing hotel charges
27
What number is the sum of two roots
23
what's the meaning of "true to the old proverb"?
21
"President" is to "presidential" as "moderator" is to what?
14
How to teach sum of fractions to students?