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3 numbers from 14 numbers |
2008-03-04 |
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From Jackie:
I would like to know all the combinations possible with 3 numbers in each
combination, using the numbers 1-14.
Answered by Penny Nom. |
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A three dimensional object |
2008-03-04 |
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From Briana:
what is the 3d term for pentagon? like a circle is a shhere?
Answered by Penny Nom. |
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What was the ostrich's speed in miles per hour? |
2008-03-03 |
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From jacob:
If it took an ostrich 2.5 seconds to travel 110 feet and the average speed is 44 feet/ seconds, what was the ostrich's speed in miles per hour?
Answered by Penny Nom. |
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Triangular prisms and pyramids |
2008-03-03 |
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From LORENA:
hi i am in yr 6 and i need to know how many faces,vertices and edges these shapes have..
. TRIANGULAR PYRAMID
. TRIANGULAR PRISM
Answered by Penny Nom. |
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The diameter of a circle |
2008-03-03 |
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From Kathie:
I know the length of the curved portion of a semi-circle is 200 ft. but I need to find the diameter to get a total perimeter and area. How do I find the diameter to get the perimeter?
Answered by Penny Nom. |
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What point on the graph y = e^x is closest to the origin? |
2008-03-03 |
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From elvina:
What point on the graph y = e^x is closest to the origin? Justify your answer.
Answered by Stephen La Rocque. |
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A puzzle about hats |
2008-03-03 |
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From Sylvia:
There were 4 people sitting in a row, truing to win $50.00 from a riddle.
The one in front was wearing a red hat.
The second from the front was wearing a blue hat.
The third from the front was wearing a red hat.
The last was wearing a blue hat and is blind-folded.
Each of them were informed that they are all wearing a hat,
the last person is blind-folded and that there are 2 red and 2 blue hats. If they can guess the
colour of their hat, then they win the prize.
There was a long silence, then one of them guessed the color of his hat correctly. Who was it?
and explain why.
(note that they can only see the person in front of them and are not allowed to turn around and
see behind them.)
Answered by Penny Nom. |
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The volume of a cereal box |
2008-03-03 |
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From Lawson:
I have calculated the volume of a box of cereal whose dimensions are:
Length - 19 cm
Width - 3 cm
Height - 27 cm
I need help with the follow question:
If 2cm3 = 30 pieces of your cereal, how many pieces of cereal will fit in your box? What do I do the calculate?
Answered by Penny Nom. |
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The volume of a truncated prism |
2008-03-03 |
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From jhey:
The volume of a truncated prism is 6240 cu cm. The base is a right section in the form of an equilateral triangle. The edges perpendicular to the base are 15 cm, 18 cm, and 15 cm long. Find the length of one side of the base.
Answered by Harley Weston. |
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Convert from base 6 to base 12 |
2008-03-02 |
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From Jade:
I am trying to convert 13405 base 6 to a base 12 number. I am not allowed to go into a base 10 number. How will can I base 12 without doing anything with base 10? Thank you kindly.
Answered by Stephen La Rocque and Penny Nom. |
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Choosing 5 numbers from 56 numbers |
2008-03-02 |
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From alexavier:
need all of the 5 digit combinations using the numbers 1-56.
Answered by Harley Weston. |
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l'armature d'un prisme |
2008-03-01 |
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From dufetre:
a l'aide d'une tige de 63cm on desire construire l'armature d'un prisme dont
la base est un triangle equilateral et dont la hauteur mesure 3cm de plus que la
la longueur du cote du triangle.
Soit x la longueur du cote du triangle.exprimer en fonction de x la hauteur de
ce prisme
exprimer en fonction de x la longueur totale des aretes
Quelle sera la longueur du cote du triangle.
merci
Answered by Maxime Fortier Bourque et Thierry Moisan. |
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Time and a half |
2008-03-01 |
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From Travis:
Bill receives time and a half for working overtime. If Bill is paid $55 for each hour of overtime, how much is his regular hourly wage?
Answered by Stephen La Rocque. |
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How much did the investor gain from selling his stock? |
2008-03-01 |
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From Julie:
An investor sold 35 shares of stock at 21 and 3/4 per share. The investor had purchased the stock for 18 and 1/2 per share. How much did the investor gain from selling his stock? Thank You in advance for your help
Answered by Stephen La Rocque. |
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The angles of a triangle |
2008-03-01 |
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From Allen:
How to find the other two angles of a scalene triangle if one angle is given
Answered by Steve La Rocque and Penny Nom. |
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