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A problem with numbers |
2008-05-18 |
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Peter pose la question : When a certain number N is divided by d, the remainder is 7. If the original number N is multiplied by 5 and then divided by d, the remainder is 10, find d Stephen La Rocque and Penny Nom lui répond. |
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Which is larger, 727464^512693 or 624610^518548? |
2008-05-18 |
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Yahweh pose la question : Lets say I have two very large numbers in the form of a^b:
727464^512693 and 624610^518548
I want to calculate which number is larger, but its unreasonable to type these numbers into a spreadsheet to get an answer right away. How could I determine the larger or the two numbers efficiently? Stephen La Rocque lui répond. |
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The wedges in a circle graph |
2008-05-18 |
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Libby pose la question : I don't understand how to do this word problem:
The cafeteria workers distributed a survey to the student body asking students to pick 1 from a list of 5 choices for their favorite lunch. The circle graph below gives the results of the survey for the students who responded. What is the measure, in degrees, of the central angle for each choice?
And there is a pie chart that has food choices with these percentages: 25%, 20%, 15%, 10%, and 30% Leeanne Boehm and Penny Nom lui répond. |
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sinx+cos(x+30degrees)=0 |
2008-05-17 |
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geeta pose la question : sinx+cos(x+30degrees)=0 Stephen La Rocque lui répond. |
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1/2 of infinity |
2008-05-16 |
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Pamela pose la question : Hello. My question was posed to me by my husband, who says he knows the answer and that there is an answer....I have tried to research it myself but to no avail. Here is the question, as he posed it to me.
?? = 1/2 of infinity. Stephen La Rocque, Penny Nom and Claude Tardif lui répond. |
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A right angled triangle |
2008-05-16 |
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bryan pose la question : The sides of a right angled triangle are x, x+1, x+2 cm. Find the perimeter. Penny Nom lui répond. |
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Girls, cats and kittens |
2008-05-16 |
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leria pose la question : There are 7 girls in a bus.
Each girl has 7 backpacks
In each backpack, there are 7 big cats
For every big cat, there are 7 little cats.
How many legs are there in the bus? One hint? it's a 6 digit number Penny Nom lui répond. |
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The length of an arc |
2008-05-16 |
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Don pose la question : I am trying to determine the length of an arch with a two foot backset from 32 foot frontage. Harley Weston lui répond. |
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The sides of a rectangle |
2008-05-16 |
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bill pose la question : The area of the rectangle is 170 sq.ft. the width is unknown and the length is the width plus 7 ft.
I set it up like this w(w+7)=170 and this is where I get lost. Thanks, Bill Penny Nom lui répond. |
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Fencing around a playground |
2008-05-15 |
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Vanessa pose la question : If the playground is a rectangle with it's width 10ft shorter than it's length,
and it can be enclosed by exactly 140ft of fence,
what is the length and width of the playground? Penny Nom lui répond. |
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cos3A=-1/3 find cos6A |
2008-05-15 |
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mike pose la question : cos3A=-1/3 find cos6A Penny Nom lui répond. |
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The area of a trapezoid |
2008-05-15 |
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Ashley pose la question : what is the formula for area of a trapezoid Penny Nom lui répond. |
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Tyres in a shipping container |
2008-05-14 |
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Carlene pose la question : I need to work out how many tyres will go in a shipping container.
The shipping container is 10 foot long, 8 foot wide and 8.6 foot high.
The tyre is 175 millimeters across and it is 14 inches in tyre thickness.
How many tyres will fit in my container? Stephen La Rocque lui répond. |
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Filling a cistern with two pipes |
2008-05-14 |
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ramya pose la question : two pipes P and Q would fil a cistern in 30 mins and 40 mins respectively.
both pipes being opened. find when the first pipe be turned off so that the cistern may be just filled in 20 mins.
options:
1. after 10 mins
2. after 15 mins
3. after 20 mins
4. after 25 mins Stephen La Rocque lui répond. |
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Percentage difference |
2008-05-14 |
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sam pose la question : if you move 3,626 packages in 2008 and moved 3,202 in 2007 what percet difference do you have from 2008/2007. Penny Nom lui répond. |
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