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Dividing between between two charities |
2010-02-22 |
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From Latoya:
a 149,000 estate is to be divided between two charities so that one charity receives 18,000 less than the other. How much will each charity receive?
Answered by Penny Nom. |
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How many triangles...? |
2010-02-22 |
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From deciree:
Given 12 points, no 3 of them on a line with 6 red, 4 blue and 2 green points.
a) How many triangles have vertices all the same color?
b)How many triangles have vertices with each vertex a different color?
c)How many triangles have at least one green vertex?
thanks to lorraine!
Answered by Penny Nom. |
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A ratio |
2010-02-22 |
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From manoj:
in a dept there are 350 employees and in the other there are 158 find ratio
Answered by Penny Nom. |
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A geometric sequence |
2010-02-22 |
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From Kelsey:
_, 2, _, _, 250, _
i don't know how to fill in the missing terms
Answered by Penny Nom. |
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A student wants to take four courses |
2010-02-21 |
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From deciree:
A student wants to take four courses. She has 11 courses to choose from: 6 sophomore level and 5 freshmen level.
Each course is available at 8,9,10,11 am.
a)if the student wants to take 2 freshmen and 2 sophomore courses, how many choices she have?
b)If she wants to alternate these courses, freshmen,sophomore,freshmen,sophomore, how many choices does she have?
Answered by Lorraine Dame. |
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A paper tube |
2010-02-21 |
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From shailesh:
How can i estimate weight of paper tube from size. i have paper tube
inner diameter : 22mm, thickness : 2mm, length : 14mm. so how can i got weight
of paper tube?
Answered by Harley Weston and Tyler Wood. |
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15% profit |
2010-02-21 |
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From daviann:
calculate the cost price,given
selling price=$304
percentage profit=15%
what is the answer?
Answered by Penny Nom. |
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A perfect square |
2010-02-20 |
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From george:
can this number 400....006 be a perfect square . how to solve problems like this.
Answered by Chris Fisher and Tyler Wood. |
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The game of 24 |
2010-02-20 |
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From haley:
hello.... we have these very hard make 24 stumpers. i am stuck on one.... how can you make 24 using the numbers 7-7-13-18?? thanks!
Answered by Claude Tardif. |
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15 men can do a piece of work in 7 days |
2010-02-20 |
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From Kenneth:
If 63 books cost $126, what will 125 books cost?
If 15 men can do a piece of work in 7 days, in how many days can 21 men do the same work?
Answered by Penny Nom. |
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Frank makes picture frames |
2010-02-20 |
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From Carol:
Frank makes picture frames his revenue from sales is R=$13.60x for frames sold. The cost making frames is C=$5.80x+$120 for frames made. What is the minum number of frames Frank must make and sell in order for his revenue to be greater than his costs.
Answered by Penny Nom and Melanie Tyrer. |
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An algebraic equation with fractions |
2010-02-19 |
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From Ingrid:
What is the solution set of the equation x over x plus 4 = 1 over x plus 3 = 28 over x to the 2nd power - x- 12?
Answered by Penny Nom. |
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Triangles |
2010-02-19 |
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From Wiliam:
A box contains one 2 inch rod, one 3 inch rod, one 4 inch, and one 5 inch rod.
What is the maximum number of different triangles that can be made using these rods as sides?
Answered by Penny Nom. |
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1/6 x 5 x 12 = what |
2010-02-19 |
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From dana:
1/6 x 5 x 12 = what
Answered by Lorraine Dame. |
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Fahrenheit and celcius |
2010-02-19 |
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From Carol:
Zack is packing for a trip to Scotland. He read that the average temperature in the Summer is 18degrees C during the day, and 7 degrees during the night. What is the difference between the high and low temperatures in degrees Fahrenheit? (F=9/5C=32)
Answered by Lorraine Dame. |
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