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Cardano's method 1996-03-11
From Mike Gorski:
What is Cardano's method for finding the roots of a cubic equation?
Answered by Harley Weston.
Grade nine problem solving 1996-03-11
From Azmat Hussain:
Can math problems be actually fun and engaging?
Answered by Diane Hanson.
A trig identity 1996-03-11
From Azmat Hussain:
Is there an easier/another way to prove the trig identity cos(a+b) = cos(a)cos(b)-sin(a)sin(b)?
Answered by Penny Nom.
Pronunciation 1996-03-05
From Todd Stienhauser:
Is 123.4 pronounced "one hundred and twenty three and four tenths"or "one hundred twenty three and four tenths"?
Answered by Penny Nom.
Exponents 1996-02-25
From Eric Cote:
I want to know why the grade six math books tell you that the little number at the top right of another number (exponent) is called the power, but the grade seven and up books tell you it's called the exponent?
Answered by Harley Weston.
Algorithms for roots 1996-02-22
From Charles Hewitt:
I have seen an algorithm for finding the square root of numbers. Are there similar such algorithms for higher roots?
Answered by Harley Weston.
Prime numbers 1996-02-22
From Charles Hewitt:
I would apprecaite it if you could share with me any algorithm to determine whether a number is prime.
Answered by Penny Nom.
Queue length 1996-02-22
From Frank Fronhofer II:
How long is the toll booth queue?
Answered by Harley Weston.
e^(i*pi) = -1 1996-02-19
From Matt Schneider:
Why is e^(i*pi) = -1?
Answered by Harley Weston.
Pascal's Triangle 1996-02-19
From Richard:
Do you know of any resources that might help us make use of the numeric relationships in Pascal's triangle on a fairly simple basis?
Answered by Denis Hanson.
Neighbourhoods 1996-02-14
From Robert:
What are neighbourhoods?
Answered by Harley Weston.
Euclid's Pythagorean proof 1996-02-14
From Sean:
What is Euclid's proof of Pythagoras' theorem?
Answered by Harley Weston.
Stairs 1996-02-12
From Marianne and Carrie:
How many ways can you run up a flight of stairs?
Answered by Denis Hanson.
What is the variance of the difference of two binomials? 1996-02-08
From Chris Johnson:
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?
Answered by Harley Weston.
Converting to other bases 1996-02-06
From Paul:
Converting base 10 numbers to other bases
Answered by Penny Nom.
 
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