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Euclid's Pythagorean proof 1996-02-14
Sean pose la question :
What is Euclid's proof of Pythagoras' theorem?
Harley Weston lui répond.
Stairs 1996-02-12
Marianne and Carrie pose la question :
How many ways can you run up a flight of stairs?
Denis Hanson lui répond.
What is the variance of the difference of two binomials? 1996-02-08
Chris Johnson pose la question :
My co-workers and I have come up with different estimates of the z-statistic, and are in particular disagreement over the calculation of Variance for this problem. I am trying to find out, with a five percent level of significance, whether the new form yields a higher rate of return than the old form. Any thoughts, comments, or solutions?
Harley Weston lui répond.
Converting to other bases 1996-02-06
Paul pose la question :
Converting base 10 numbers to other bases
Penny Nom lui répond.
Number of factors 1996-01-30
Chrissy pose la question :
What number has exactly 13 positive factors?
Penny Nom lui répond.
Trig identities 1995-11-30
Azmat pose la question :
Why do we work on the two sides of a trig identity separately?
Harley Weston lui répond.
(-3)x(-2) 1995-10-25
Azmat pose la question :
Why is (-3)x(-2) = 6?
Herley Weston and Ed Giesbrecht lui répond.
Complex numbers 1995-10-22
Jacquie pose la question :
Why should we teach complex numbers in high school?
Harley Weston lui répond.
Magic Square 1995-10-20
Marianne and Carrie pose la question :
How can an 8 by 8 square have the same area as a 5 by 13 rectangle?
Denis Hanson lui répond.
What is the golden section? 1995-09-17
Cindy pose la question :
What is the golden section of a line?
Denis Hanson lui répond.
 
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