Archive for the ‘History’ Category
Tuesday, August 19th, 2008
Christine:
I am trying to learn relational algebra. Take the following equation; σ F ( r ) = { t ? t ?? r ? F ( t ) } σ What does “?” represent in this equation? What does “?” represent? What do the braces { } represent? ...
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Tuesday, August 19th, 2008
Alan Thwaites:
“Anything worth doing is worth delaying” - calculus.
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Tuesday, August 19th, 2008
unknown:
Gerardus ‘t Hooft in his Nobel Lecture “A Confrontation with Infinity” did some important comment about applicability of differential equations: “The mathematics of differential equations grew out of this …
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Tuesday, August 19th, 2008
Denise:
My physics lecturer at the School, Evgenii Bichenkov, republished a short article, Physics and Mathematics School in a third of century (Физико-математической ?коле - треть века), written 10 years ago. My old friend owl translated it …
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Tuesday, August 19th, 2008
sheila@sheilawraygregoire.com:
the paper half way stop then lag lo. hang 5min this repeat for all question very irritating. luckily teachers give extra time. if not huat zai! then math exam okie la quite easy. never check cause tired. then go home online + sleep. …
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Tuesday, August 19th, 2008
admin:
At the conclusion of the study, following tests which had the children tested for math skills, they found no difference between the ability to do math between the kids who did not speak any number words in their languages, …
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Tuesday, August 19th, 2008
unknown:
This problem was solved by munisa: what two-digit number is twice the product of its digits?
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Tuesday, August 19th, 2008
webmaster@algebra.com:
This problem was solved by orca: Simplify: No negative exponents and no decimal answers. (27a^3b^2c^5/45a^4c^2)^3.
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Tuesday, August 19th, 2008
webmaster@algebra.com:
This problem was solved by orca: find the logarithm: log base 36 of 6.
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Tuesday, August 19th, 2008
webmaster@algebra.com:
This problem was solved by orca: Please help with this problem The complex numbers 2/5xi + 3 and -4 - 1/4yi are equal. Find the values of x and y Have tried solving as a regular equation but cannot find equal values.
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