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Mon problème (né d'un retour aux conclusions du prix Nobel d'économie ) revisité |
2005-09-27 |
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Nzitat pose la question :
Soit L un sensemble de distributions de probabilités. Désignons par p une distribution de probabilité quelconque. En clair p=(p0,..., pm) où m >0 est fini. Appelons Vi, i=1,...,n, une fonction définie sur L et à valeurs dans l'ensemble des réels. De même Wj, j=0,...n est une fonction définie sur L et à valeurs dans l'ensemble des réels. Vi, Wj sont définies ainsi pour tout p:....
Claude Tardif lui répond. |
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2x/x^2-9 - 6/x^2+x-12 |
2005-09-27 |
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Emily Ann pose la question :
2x/x2-9 - 6/x2+x-12
Penny Nom lui répond. |
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6x+7=8x-13 |
2005-09-27 |
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A student pose la question :
show me how to do 6x+7=8x-13
Penny Nom lui répond. |
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14p - 8 = 22 + 20p |
2005-09-27 |
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Tiffany pose la question :
14p - 8 = 22 + 20p
Penny Nom lui répond. |
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The language of subtraction |
2005-09-26 |
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Chris pose la question :
When you have an addition problem you have two addends that equal a sum. Therefore . . .
I know the answer to a subtraction problem is the difference - what is the name of the numbers that make up a subtraction problem?
Diane Hanson and Harley Weston lui répond. |
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A cone with vertex (1,1,2) |
2005-09-26 |
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Brandon pose la question :
Find the equation of a double cone with vertex (1,1,2) and which intersects the xy plane in a circle of radius 4.
Penny Nom lui répond. |
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A field with the largest possible area |
2005-09-25 |
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Louise pose la question :
A FARMER HAS FENCING OF 1000M AND WANTS A FIELD WITH THE BIGGEST POSSIBLE AREA HOW DO I GO ABOUT DOING THIS
Penny Nom lui répond. |
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Find the next 5 terms |
2005-09-24 |
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Grant pose la question :
n+7, 2n-0.5, 4n. Find the next 5 terms of each one and explain the sequence in words
Penny Nom lui répond. |
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How many ounces is 750 cc's? |
2005-09-24 |
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Michael pose la question :
How many ounces is 750 cc's?
Penny Nom lui répond. |
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U'(X) - U(X) = 0; U(0) = 2 |
2005-09-23 |
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David pose la question :
Out of interest could you please answer the following questions?
U'(X) - U(X) = 0; U(0) = 2
and
U''(X) - U'(X) = 0; U'(0) = U(0) = 2
Harley Weston lui répond. |
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Markup |
2005-09-22 |
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Cassie pose la question :
The retail price of a car stereo is $265 and the markup rate is 68%. What is the wholesale price of the car stereo to the nearest dollar.
Penny Nom lui répond. |
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The length of the side of an octagon |
2005-09-22 |
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Billy pose la question :
How can you find the length of the side of an octagon when all that you know are the long sides of one of the eight perfect isc. triangles inside the octagon that share the same center point?
Penny Nom lui répond. |
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Isn't 1/3 written as a decimal .33? |
2005-09-21 |
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Lisa pose la question :
Isn't 1/3 written as a decimal .33? My son informs me I'm wrong, but doesn't know the answer
Chris Fisher and Penny Nom lui répond. |
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Converting from base ten to base five |
2005-09-21 |
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Julie pose la question :
My sister is home schooled and we are trying to convert from base 10 to base 5. We are trying to teach and we have never had this in school. If we could have some examples of some problems and how to do them we would appreciate this.
Penny Nom lui répond. |
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A 6ft hexagon around a tree |
2005-09-20 |
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Ray pose la question :
I am trying to build a 6ft hexagon around a tree in my front yard. I have asked everyone how do I figure the size of each side. I now have several calculations and many theories but still do not know how much lumber and at what angel to cut and what length. I am simply a senior citizen just trying to create something different in my yard.
Harley Weston lui répond. |
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