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Thread: The Maths Thread

  1. #766
    Cricket Web Staff Member Howe_zat's Avatar
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    Of course it's possible

    Suppose you start your final innings having scored 9899 runs and having been dismissed 199 times. You also have 49 hundreds, which means you are a bit of a rich man's Shaun Marsh and tend to play a lot of all-or-nothing innings.

    Then your choice is:

    100 and out - you have 9999 runs from 200 dismissals and have an average of 49.995, 50 tons
    99* - you have 9998 runs from 199 dismissals and average 50+
    We are lost
    We can never go home

  2. #767
    International Debutant Victor Ian's Avatar
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    Quote Originally Posted by Howe_zat View Post
    Of course it's possible

    Suppose you start your final innings having scored 9899 runs and having been dismissed 199 times. You also have 49 hundreds, which means you are a bit of a rich man's Shaun Marsh and tend to play a lot of all-or-nothing innings.

    Then your choice is:

    100 and out - you have 9999 runs from 200 dismissals and have an average of 49.995, 50 tons
    99* - you have 9998 runs from 199 dismissals and average 50+
    That's cheating (49.995). But I'll accept it

    edit: Having a look at the list of best ever batting averages, it seems cricinfo only displays averages to 2 decimal places and does not round the third. That's ****ed, but it also makes you correct.
    Last edited by Victor Ian; 22-12-2017 at 06:43 AM.

  3. #768
    International 12th Man srbhkshk's Avatar
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    Quote Originally Posted by Howe_zat View Post
    Of course it's possible

    Suppose you start your final innings having scored 9899 runs and having been dismissed 199 times. You also have 49 hundreds, which means you are a bit of a rich man's Shaun Marsh and tend to play a lot of all-or-nothing innings.

    Then your choice is:

    100 and out - you have 9999 runs from 200 dismissals and have an average of 49.995, 50 tons
    99* - you have 9998 runs from 199 dismissals and average 50+
    Just start at 9898 instead of 9899, same thing except you get the exact 49.99 average.

  4. #769
    Cricketer Of The Year StephenZA's Avatar
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    vcs and Uppercut like this.
    "The presence of those seeking the truth is infinitely to be preferred to the presence of those who think they’ve found it."

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  5. #770
    vcs
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    Hall of Fame Member vcs's Avatar
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    Quote Originally Posted by StephenZA View Post
    Lovely! Great use of graph theory.
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    Chix love a man with a checkered posting history.

  6. #771
    Cricket Web Staff Member Howe_zat's Avatar
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    Assume aliens exist Then given that there are at least two intelligent races in the universe, humanity is not a unique event and there must be an infinite number of intelligent species in the infinite universe. At least one of these races must have discovered Pythagoras' theorem before Pythagoras. If that was the case then the theorem would have been named after the alien discoverer. BUT the theorem is known as pythagoras' theorem which is a contradiction. Thus aliens do not exist. QED
    Never change, internet
    vcs likes this.

  7. #772
    International Coach weldone's Avatar
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    Quote Originally Posted by Howe_zat View Post
    Never change, internet
    Uh, the worst part is I can't unread that.
    "Cricket is an art. Like all arts it has a technical foundation. To enjoy it does not require technical knowledge, but analysis that is not technically based is mere impressionism."
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  8. #773
    Cricketer Of The Year StephenZA's Avatar
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    Found this one fun and interesting.

  9. #774
    International Debutant Victor Ian's Avatar
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    ok - here's something easy enough for some of you to answer blindfolded, stabbed and deprived of oxygen.

    I came across this thing that was aired on the Simpons from a youtube.

    x.x^.5 = x

    solve for x

    then the youtuber told me the answer was 0 or 1. No problems there.

    so then I tried to do the algebra.

    x.x^.5 = x
    x^.5 = x/x
    x = 1^2
    x = 1

    so what have I done wrong that does not show me x also = 0?

  10. #775
    Request Your Custom Title Now! Samuel_Vimes's Avatar
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    You've divided by x in the second step, so that means you've explicitly assumed x is not 0 for that step to be valid algebra.
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  11. #776
    International Debutant Victor Ian's Avatar
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    Doh! Thanks.

    Now I'm stumped. Can this be 'solved' without using intuition?

  12. #777
    Cricketer Of The Year ankitj's Avatar
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    x.(x^0.5-1) = 0

    This means one of x or (x^0.5-1) must be 0.
    RIP Phil Hughes. Forever 63*

  13. #778
    International Debutant Victor Ian's Avatar
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    Shame on me. Can't believe I missed that. Thanks.

  14. #779
    Hall of Fame Member zorax's Avatar
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    Victor Ian is dumb

    Hey guys, look at how dumb Victor Ian is! Point and laugh at him! Ha ha ha! Ha ha ha!
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  15. #780
    International Debutant Victor Ian's Avatar
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    thanks Zorax. Can always count on you to drum up support.

    Without context (which I didn't provide) my comment might have seemed boastful. I just studied this stuff last year. Amazing how quickly I can forget.
    zorax likes this.

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