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What is a number that has exactly 13 factors? |
2003-11-09 |
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Mary pose la question : What is a number that has exactly 13 factors? Penny Nom lui répond. |
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Mixing Brazil nuts and cashews |
2003-11-09 |
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Bob pose la question : Cashews are sold for 1.20 per 1/4 pound and Brazil nuts are sold for $1.50 per 1/4 pound. If you mix 20lbs of Brazil nuts, how many cahsews would it take to make a mix that sells for $1.30 per 1/4 pound? Penny Nom lui répond. |
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A least squares line |
2003-11-09 |
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Michelle pose la question : Hooke's Law asserts that the magnitude of the force required to hold a spring is a linear function of the extension e of the spring. That is, f = e0 + ke where k and e0 are constants depending only on the spring. The following data was collected for a spring; e: 9 , 11 , 12 , 16 , 19 f : 33 , 38 , 43 , 54 , 61 FIND the least square line f= B0 + B1x approximating this data and use it to approximate k. Penny Nom lui répond. |
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Greatest Common Factor |
2003-11-08 |
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Beth pose la question : How do you use the Greatest Common Factor in addtion and subtraction of fraction? Penny Nom lui répond. |
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Equal ratios |
2003-11-07 |
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A student pose la question : In the ratio 3:8=17__, can__be a whole number? Penny Nom lui répond. |
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The product of the page numbers |
2003-11-07 |
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Morgan and Mom pose la question : You open a book and the product of the page numbers is 12,656. What are your page numbers? Penny Nom lui répond. |
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Chisenbop |
2003-11-06 |
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Jaclyn pose la question : Hi there i was wondering if you would have any information on "counting on your fingers" or " Chisabop". Penny Nom lui répond. |
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Intercepts |
2003-11-04 |
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A student pose la question : I am totally confused on how to determine intercepts of an equation and then to graph the line. For example, how to determine the intercepts of 2x-3y-12=0. Penny Nom lui répond. |
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X bar |
2003-11-04 |
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mary pose la question : Remind me what this means:
_
X
Andrei Volodin lui répond. |
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The length of a chord |
2003-11-03 |
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David pose la question : When Radius=400.00' and Arc=130.58' what is the Cord distance in feet? Penny Nom lui répond. |
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A circle around an irregular polygon |
2003-11-03 |
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Dale pose la question : How do I find the properties of a circle that is drawn around an irregular polygon of (n) sides with the lenghts of each side given and all end points of the polygon lye on the circumferance of the circle? Chris Fisher lui répond. |
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Solve for Q |
2003-11-03 |
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Anwaar pose la question :
The problem is: QT - X ________ + H = HT QS Peny Nom lui répond. |
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Cubic yards of concrete |
2003-11-02 |
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John pose la question : The foundation is 20' X 20' and the depth is 6", there are also three footings that are 20' X 12" X 12" each. Can you show me the equation to figure out how many yards of concrete I will need to pour the footings and foundation. Harley Weston lui répond. |
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Symmetries of a rhombus |
2003-11-02 |
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Tonia pose la question : why cant an equal sided rhombus have 3 lines of symmetry? you have one line of symmetry on each of the diagonals, and there should be one vertically on an angle. can you please explain the rules of symmetry to me? Walter Whiteley lui répond. |
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Nombre d'or |
2003-10-31 |
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Claude pose la question :
Comment démontrer que si a/b est égal au nombre d'or alors a+b/a est égal aussi au nombre d'or Comment faut t il choisir a et b pour que le puzzle de lewis caroll soit réalisable? on sait déjà que les nombres 8 et 5 ainsi que 6 et 3 ne sont pas valables. Claude Tardif lui répond. |
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