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How much did I spend on the first trip? |
2006-09-10 |
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Alexander pose la question : I have $600 to spend.
I take 10 shopping trips.
Each trip I spend $10 more than the last trip.
How much did I spend on the first trip?
Stephen La Rocque lui répond. |
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le prix de départ |
2006-09-10 |
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un élève pose la question : Une jupe coûte 36 euros après une démarque de 20% quel est le prix de départ moi j'ai trouvé 45 euros mais je n'ai pas la formule de calcul exacte Claude Tardif lui répond. |
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Your birthdays until your one hundredth |
2006-09-09 |
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Alan pose la question : which of your birthdays until your one hundredth, fall on the same day of the week as the day you were born? Chris Fisher lui répond. |
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A hexagonal concrete form |
2006-09-09 |
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Lewis pose la question : How many cubic yards of cement will be required to fill a hexagonal concrete form with equal 12 foot sides that will be 3 feet thick? Penny Nom lui répond. |
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Plotting co-ordinates on a number plane |
2006-09-08 |
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Victor pose la question : I need to plot co-ordinates (0,2), (2,-2), (-2,0), and (0,0) on a number or co-ordinates plane, I am not sure how to do this, and get lost after the first point, can you please help? Penny Nom lui répond. |
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The radius of a cone |
2006-09-08 |
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Hermanson pose la question : I know the cone is 20 degrees at the top and 80 degrees at the bottom. What is the formula for finding the radius? Stephen La Rocque lui répond. |
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what is 8+(-2)(-5)/4-(-1)-4(-2+3) |
2006-09-08 |
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Jordan pose la question : what is 8+(-2)(-5)/4-(-1)-4(-2+3) Paul Betts lui répond. |
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How much cement would I need? |
2006-09-07 |
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Lou pose la question : At a five to one mix how much sand/gravel and how much cement would I need for a 71/2 yard pour?
What formula would I use for this calculation. My sand/gravel is in a cone shaped pile and I know how to calculate that. I need to know if I have enough and how many bags of cement I need to buy. I will be using a engine operated cement mixer Harley Weston lui répond. |
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The velocity of a pendulum, part II |
2006-09-07 |
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Erin pose la question : We saw the question in your database about the velocity of a pendulum swinging.....It is the same exact question....but there is another question......it says....
"estimate the instantaneous rate of change of d with respect to t when t = 1.5. At this time, is the pendulum moving toward or away from the wall? Explain." Harley Weston lui répond. |
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History of mathematics |
2006-09-06 |
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Sharon pose la question : i am looking for the history of math could you help Stephen La Rocque lui répond. |
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Cubic feet |
2006-09-06 |
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Tom pose la question : How do I calculate cubic feet ? What is the formula? Penny Nom lui répond. |
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Converting a decimal into a fraction |
2006-09-06 |
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Andres pose la question : How do i convert a decimal into a fraction? Penny Nom lui répond. |
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2-row arrays |
2006-09-06 |
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Liz & Samantha pose la question : What do you call the numbers that cannot be arranged into 2-row arrays? Penny Nom lui répond. |
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I have 4 numbers and want to find all possible combinations. |
2006-09-05 |
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Candace pose la question : I have 4 numbers and want to find all possible combinations. I come up with 24 but that seems too small...am I correct that there should be more? Stephen La Rocque lui répond. |
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Metric Conversions |
2006-09-02 |
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Patricia pose la question : I have a new difficulty, metric conversion when it involves the prefixes. Some problems I need help with are: Stephen La Rocque lui répond. |
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