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How many zeros? |
2000-04-09 |
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From Greg Potts:
The natural numbers 1 to 25 are multiplied together (1 x 2 x 3x..24 x 25). How many zeros are there in the product of this multiplication?
a)6 b)7 c)5 d)10 or e)4?
Answered by Harley Weston. |
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2^32 + 1 |
2000-04-08 |
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From Un Etudiant:
232 +1 can be divided by 641 , why?
Answered by Claude Tradif. |
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Star-multiplication |
2000-04-07 |
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From Greg Potts:
I have this question to answer and I don't know where to start. 1*9=0, 9*8=72 and 2*8=9, then 9*9 =?
Answered by Penny Nom. |
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42% of 70 |
2000-04-07 |
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From Nikkie:
What is 42% of 70?
Answered by Penny Nom. |
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Surface area of a cylinder |
2000-04-07 |
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From Jim Campbell:
I am going to cover the outside of a shaft with some material. How do I figure the square inches of the outside surface of the shaft? Shaft is 6" in diameter and 24" long
Answered by Harley Weston. |
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History of a meter |
2000-04-07 |
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From Jarod Fischer :
The length of a meter has been determined in three different ways. The first and original way was determined in 1798. The second way was determined in 1960. The third and current way was determined in 1983. What were the three ways and why were the first two abandoned?
Answered by Harley Weston. |
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Lining a cone |
2000-04-06 |
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From Jim Campbell:
I am not a student, I am trying to solve a business problem. The question. If I want to put a lining in a chute that is cone shaped, how do I calculate the size steel plate I need to do that. The cone is 10' in diameter at the top and has a 20" hole at the bottom. The total height of the chute is 8'.
Answered by Harley Weston. |
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Why are equivalent fractions equal? |
2000-04-05 |
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From An elementary student:
What is the mathematical reason equivalent fractions are equal?
Answered by Penny Nom. |
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y = x^x^x^x... |
2000-04-05 |
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From Michael Hackman:
Find the derivative of: y = x^x^x^x... on to infinity.
Answered by Claude Tardif. |
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How many grams are in 1 ounce? |
2000-04-04 |
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From Kathy G:
How many grams are in 1 ounce?
Answered by Penny Nom. |
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Manipulatives |
2000-04-04 |
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From Jodi Stuker:
I am a student looking for a good lesson plan using manipulatives to teach multiplication to LD students. They are currently functioning on approximately 3rd grade level in math but are age 12-14.
Answered by Penny Nom. |
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Nim |
2000-04-04 |
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From Sandy Daniel:
Could you please give me any information on this Math Fair topic?
Answered by Claude Tardif. |
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The square root of 3 |
2000-04-04 |
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From Mr. William:
Prove that root 3 is irrational
Answered by Harley Weston. |
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The side length ratios of some triangles |
2000-04-04 |
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From Alexis Lockwood:
I am doing a project for my Math 30B class regarding the side length ratios of 45-45-90 degree and 30-60-90 degree triangles. I would really appreciate any assistance in answering the following questions, or even direction to an appropriate web site or resource on the matter.
Answered by Harley Weston. |
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Interest compounded daily |
2000-04-03 |
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From Debbie Bracken:
How do I figure interest that is compounded daily? 8% compounded daily.
Answered by Penny nom. |
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