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The volume of a cone |
2015-02-05 |
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Linda pose la question :
How do you calculate the volume of a cone that is 25cm high and has an angle of 20 degrees?
Penny Nom lui répond. |
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A parallelogram inscribed in a circle |
2015-02-04 |
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narendra pose la question :
how can we prove that a circular parallelogram is a rectangle?
Chris Fisher lui répond. |
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Two cars pass each other going in opposite directions |
2015-02-03 |
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Caroline pose la question :
Two cars pass each other going i opposite directions. One car is going 100 km/h and the other is going 80 km/h. How far apart will the two cars be after driving 45 minutes at these rates of speed?
Penny Nom lui répond. |
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A train from Vancouver to Whistler |
2015-02-02 |
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Tea pose la question :
Serena and Nina are taking a train from Vancouver to Whistler, a 160km trip. If the average speed is decreased by 16km/hr, the trip will be 1/2 hours longer. What is the average speed of the train?
Thanks :)
Penny Nom lui répond. |
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Jack and Jill climb two poles |
2015-02-02 |
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APRIL pose la question :
Two vertical poles are 3 meters apart. Jack is climbing one pole while Jill climbs the other. If the distance between Jack and Jill is 5 meters, how much higher is Jill than John?
Penny Nom lui répond. |
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Comparing fractions |
2015-02-02 |
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shealla pose la question :
Please help me with my assignment please I'm having trouble answering this one..
Write the larger fraction in each pair..
A. 2/3, 4/7 B. 1/3, 2/5 C. 5/8, 3/5
Penny Nom lui répond. |
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Ratio of gas to oil |
2015-02-02 |
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Chris pose la question :
I would like to find the gas oil ratio for a 2 cycle engine.
I have the gallons of gas and the ounces of oil used by
the engine, but I want to find what the ratio is. For example
I used 5.675 gallons of gas and 5 ounces oil what is the ratio?
Please explain step by step, and I understand there are 128oz in
a gallon.
Harley Weston lui répond. |
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Shadow angle |
2015-01-29 |
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Lorilyn pose la question :
A pole,110meters high,cast a shadow of 35meters long,what is the angle
Penny Nom lui répond. |
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The volume of Lake Utah |
2015-01-29 |
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Hannan pose la question :
Lake Utah has a surface area of 3,846 square miles and an average depth of 10.5 feet. In cubic miles, how much water does it hold?
How would you approach this question? Where would you start?
Robert Dawson and Penny Nom lui répond. |
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128/(-16)/(-2) |
2015-01-28 |
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jackie pose la question :
128/(-16)/(-2) I was wondering if you can show me how to work this question out
Harley Weston lui répond. |
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What is our cost? |
2015-01-27 |
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Johanna pose la question :
I have a pieces of 3/4" sch40 (round tube) 240" long at $70. What is our cost. We also add 35% to our cost for selling price. How do I figure this out?
Penny Nom lui répond. |
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The height of an obelisk |
2015-01-27 |
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Fabian pose la question :
Two observers on level ground position themselves 50 meters apart so that an obelisk is due north of position A and due west of position B. The angle of elevation to the top of the obelisk at position A and B is measured to be 29.9 degrees and 37.5 degrees respectively. Use this information to estimate the height of the obelisk.
Penny Nom lui répond. |
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Is a square a trapezoid? |
2015-01-26 |
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Katie pose la question :
Can a trapezoid sometimes be a square?
Penny Nom lui répond. |
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Russell is 6 years older than Samantha |
2015-01-26 |
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Kelli pose la question :
Russell is 6 years older than Samantha.
In 4 years the sum of their ages will be 78. How old is Russell now?
Penny Nom lui répond. |
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A road around a garden |
2015-01-25 |
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hahha pose la question :
a garden 150 m long and 80 m wide has a road 4 m wide all around on the out side find the cost of paving at the rate of 12 per s.q m
Penny Nom lui répond. |
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