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Thursday, January 07, 2010

Midnight Mathness

SJ: 3/10 + 3/100 + 3/1000 until infinity is...

Erachet: [Trying to think after having woken up in the middle of the night and being faced with math] Um...

SJ: .333333 etc. Which is also...?

Erachet: Um....a B?

SJ: [Looks at Erachet in utter bewilderment...]

12 comments:

  1. Isn't it a teeny drop more than 0.333? Because 3/100 isn't negligible yet.

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  2. B4S - Isn't it .3...? (bar over it)

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  3. Um, yeah, that's identical to .333... Just as "point three three three with a bar over it" is. :-)

    Or yeah, a B. ;-)

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  4. In my defense, it was the middle of the night and I had woken up only a little bit before, and I meant B the letter grade! Except afterward I corrected myself because B is 3.3333333 not .33333333 (Or is that B+?)

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  5. I still don't get what was funny

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  6. Anon - really? An entire post backed up by 4 comments all about some middle of the night math "emergency" and you don't see the humor?:)

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  7. It would be 0.33333+0.03 which is 0.363333...

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  8. i think it's a/(1-r) which is .3/(1-.1) which is 1/3 or .33333...bar

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  9. Oh right, those geometric series things. [yawn] Yuck. I'll assume you're right because I don't feel like looking at those again.

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  10. "Except afterward I corrected myself because B is 3.3333333 not .33333333 (Or is that B+?)"

    Ahh, thats what you meant.

    I thought in your sleep your thought that 33% was a B instead of a big fat F!

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  11. I have to say, I think it's hilarious this post has ten comments (now eleven). And has inspired conversation about a math problem.

    Who knew I'd be the one to inspire such conversation!

    :D

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