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How much did I spend on the first trip? |
2006-09-10 |
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From Alexander:
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?
Answered by Stephen La Rocque. |
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le prix de départ |
2006-09-10 |
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From un élève:
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
Answered by Claude Tardif. |
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Your birthdays until your one hundredth |
2006-09-09 |
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From Alan:
which of your birthdays until your one hundredth, fall on the same day of the week as the day you were born?
Answered by Chris Fisher. |
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A hexagonal concrete form |
2006-09-09 |
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From Lewis:
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?
Answered by Penny Nom. |
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Plotting co-ordinates on a number plane |
2006-09-08 |
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From Victor:
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?
Answered by Penny Nom. |
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The radius of a cone |
2006-09-08 |
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From Hermanson:
I know the cone is 20 degrees at the top and 80 degrees at the bottom. What is the formula for finding the radius?
Answered by Stephen La Rocque. |
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what is 8+(-2)(-5)/4-(-1)-4(-2+3) |
2006-09-08 |
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From Jordan:
what is 8+(-2)(-5)/4-(-1)-4(-2+3)
Answered by Paul Betts. |
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How much cement would I need? |
2006-09-07 |
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From Lou:
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
Answered by Harley Weston. |
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The velocity of a pendulum, part II |
2006-09-07 |
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From Erin:
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."
Answered by Harley Weston. |
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History of mathematics |
2006-09-06 |
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From Sharon:
i am looking for the history of math could you help
Answered by Stephen La Rocque. |
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Cubic feet |
2006-09-06 |
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From Tom:
How do I calculate cubic feet ? What is the formula?
Answered by Penny Nom. |
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Converting a decimal into a fraction |
2006-09-06 |
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From Andres:
How do i convert a decimal into a fraction?
Answered by Penny Nom. |
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2-row arrays |
2006-09-06 |
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From Liz & Samantha:
What do you call the numbers that cannot be arranged into 2-row arrays?
Answered by Penny Nom. |
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I have 4 numbers and want to find all possible combinations. |
2006-09-05 |
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From Candace:
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?
Answered by Stephen La Rocque. |
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Metric Conversions |
2006-09-02 |
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From Patricia:
I have a new difficulty, metric conversion when it involves the prefixes. Some problems I need help with are:
Answered by Stephen La Rocque. |
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