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Cubes and squares |
2009-09-16 |
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Stanley pose la question :
What is a three consecutive digit number like 5,6,7 , which is two less than a cube and two more than a square?
Robert Dawson lui répond. |
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Common multiples of 36 and 48 |
2009-09-15 |
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Kamaldeep pose la question :
Find the first 2 common multiples of 36 and 48.
Penny Nom lui répond. |
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Ordering fractions |
2009-09-15 |
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stacy pose la question :
I need help with listing fractions from the least to greatest. last problem of math is 5/6,7/9,23/27,13/18?
Penny Nom lui répond. |
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Order from least to greatest |
2009-09-15 |
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myra pose la question :
which list of number is ordered from least to greatest? A.) 0.035,0.35,2/5,2.5 B) 2.5,2/5,0.35,0.035 c)2/5,0.35,2.5,0.035 D) 0.035,2.5,0.35,2/5
Penny Nom lui répond. |
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A trough of water |
2009-09-15 |
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Darrell pose la question :
A trough that measures 4 feet long, 22 inches wide, and 18 inches high will be mounted
on a support stand. If the trough weighs 50 pounds when empty, approximately how many
pounds must the stand be able to hold when the trough is full of water?
Penny Nom lui répond. |
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Digging a trench |
2009-09-15 |
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Darrell pose la question :
In digging a pipe trench that measures 29 feet long, 2 feet 9 inches wide, and 3 feet 6
inches deep, how many cubic yards of earth were removed from the site?
Penny Nom lui répond. |
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A sequence |
2009-09-15 |
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Derek pose la question :
what are the next four numbers in this sequence 1/8, 1/4, 3/8, 1/2...
Penny Nom lui répond. |
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A trillion grains of rice |
2009-09-14 |
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akaila pose la question :
can 1trillion rice grains fit in a classroom with the area of 144.4m3
Penny Nom lui répond. |
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Quotient |
2009-09-14 |
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Jala pose la question :
What is a quotient and what are the instructions for one?
Penny Nom lui répond. |
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Friends in a class |
2009-09-14 |
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pran pose la question :
it is known that among any group of three students in a class two of them are friends. the total number of students is 25. prove that there is a student who has at least 12 friends
Claude Tardif lui répond. |
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The nth term of a sequence |
2009-09-11 |
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Michael pose la question :
My son has this question as part of his key stage 3 maths homework-
The nth term of a different sequence is n - 2/n^2.
We've got to find the first three terms of the sequence.
Claude Tardif lui répond. |
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Domain and range |
2009-09-11 |
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Aubrey pose la question :
I'm supposed to "state the domain/range of each of the following relations" and it's totally not making sense...
Examples:
{(x,y) : x = square root of y}
{(x,y) : y = x + 1, x is some even integer}
Thanks in advance!!
Aubrey
Robert Dawson lui répond. |
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Average speed |
2009-09-11 |
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john pose la question :
Sally travels by car from one city to another. She drives for 20.0 min at 68.0 km/h, 40.0 min at 37.0 km/h, and 51.0 min at 77.0 km/h, and she spends 12.0 min eating lunch and buying gas.
What is the average speed for the trip?
Penny Nom lui répond. |
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The slope-intercept form |
2009-09-11 |
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Shelby pose la question :
Write an equation in slope-intercept form of the line that is parallel to the graph of 3y-4x=1 and passes through (0,6)
Penny Nom lui répond. |
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Jogging and swimming |
2009-09-11 |
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Brandon pose la question :
Trevor swims jogs 3 days and swims every 4 days. How often does he jog and swim on the same day
Leeanne Boehm lui répond. |
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