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How much longer will it take to reach Toronto |
2010-07-22 |
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From Rachelle:
We are taking a trip from Ottawa, ON to Toronto, ON. The total trip is 150 kms and will take us 4.5 hours. We have already driven 108 kms and there is still 42 kms left to go. If we are travelling 110 kms/hr, how much longer will it take to reach Toronto?
Answered by Penny Nom. |
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$1579 is 20% of what number? |
2010-07-22 |
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From Luis:
Question: $1579 is 20% of what number?
Answered by Robert Dawson. |
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The tonnage of some gravel |
2010-07-22 |
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From Gregory:
i have a road that is 8 miles long 20 feet wide and 4 inches deep what is the tonnage for gravel i would need
Answered by Penny Nom. |
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Reflection in the line y = x |
2010-07-21 |
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From tousif:
Find the 2 x 2 matrix which represents a reflection in the line y = x?
Please help....
Answered by Penny Nom. |
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I need to learn to think mathematically |
2010-07-20 |
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From Student:
I need to learn to think mathematically, and like math while doing it, got any ideas, help.
Answered by Walter Whiteley. |
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Numbers that can be formed using the digits 1,2,3,4,5,8,9 |
2010-07-19 |
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From Donessa:
write the number that is 2000 more than the difference between the largest and the smallest
number that can be formed using the digits 1,2,3,4,5,8,9
Answered by Tyler Wood. |
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An 18ft round pool |
2010-07-19 |
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From christine:
will an 18ft round pool fit on a 12x16 ft rectangular cement slab?
Answered by Tyler Wood. |
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Remainders |
2010-07-17 |
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From GARY:
WHAT NUMBER DIVIDED BY 11 LEAVES 1, DIVIDED BY 13 LEAVES 8, AND DIVIDED BY 17 LEAVES 3.
Answered by Chris Fisher. |
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Simplify (2x)3 |
2010-07-16 |
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From emily:
how to Simplify (2x)3
Answered by Melanie Tyrer and Penny Nom. |
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Converting kilograms to cubic metres |
2010-07-16 |
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From Ilai:
I want to convert kg to cubic metre
Answered by Penny Nom. |
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The area of a 4 sided region |
2010-07-14 |
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From Cliff:
If I wanted to know the square footage of an area that has four different sides and only had the length of one side and the angles at the ends of that length; could the other lengths be found if I wanted to have a total of 130,680 square feet?
Answered by Robert Dawson and Tyler Wood. |
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Pursuing Car 1 |
2010-07-13 |
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From Mark:
Car 1 is traveling down the road at 50mph and passes Car 2 is
sitting on the side of the road. Car 2 needs to catch Car 1 one half mile
down the road. How fast must Car 2 drive to catch Car 1 if Car 2
waits 10 seconds before pursuing Car 1?
Answered by Robert Dawson. |
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Half a mile at 50 mph |
2010-07-13 |
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From Mark:
How long will it take a car to travel 1/2 mile at 50 mph?
Answered by Robert Dawson. |
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Fibonacci and induction |
2010-07-12 |
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From James:
I'm trying to prove by induction that F(n) <= 2^(n-1)
where f(1)=f(2)=1 and f(k)=f(k-1)+f(k-2) for k >=3 is the Fibonacci sequence
Answered by Stephen La Rocque and Tyler Wood. |
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A pattern in a puzzling sequence |
2010-07-09 |
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From Martha:
A1 2 3 B 5 6 7 C 9 10 11 D 13 14 15
USE THIS PATTERN SUGGESTED TO HELP YOU FIND
THE MISSING TERMS IN THE PROBLEM BELOW:
a) H _ _ _ b) R _ _ _
c) _ _ 50 _ d) _ _ _ 63
e) _ @#$ where @ + # + $ = 258
Answered by Tyler Wood. |
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