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The equation of a circle |
2010-05-04 |
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crystal pose la question :
find the standard form of the circle with center (-2,3) and tangent to the line y=1
Penny Nom lui répond. |
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Interest |
2010-05-04 |
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RW pose la question :
If you earned 55.00 for a year in your savings acct. The account pays 0.5 % interest. How much money did you initially have in the savings account.
Penny Nom lui répond. |
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Working together |
2010-05-04 |
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Felicia pose la question :
Sarah takes 3 hours longer to paint a floor than it takes Kate. when they work together it takes 2 hours. How long would each take to do the job alone?
Penny Nom lui répond. |
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A wishing well |
2010-05-04 |
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Cassie pose la question :
I'm trying to construct a Wishing Well made of treated 2x4 wood, so the actual measurement is 3 1/2 by 1 1/2. The well is going to be three feet in diameter. I'm trying to construct this as circular as possible, what angle should the wood panels be cut at?
Penny Nom lui répond. |
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A quadratic equation |
2010-05-03 |
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Millie pose la question :
(3x-4)(5xplus2)=0
Penny Nom lui répond. |
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Tiling a floor |
2010-05-03 |
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guadalupe pose la question :
how many 16 x 16 inch square tiles fit into a 10 x 10 foot space?
Harley Weston lui répond. |
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f(x) = x + 3 |
2010-05-02 |
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becca pose la question :
Find the function value
F(1)if f(x)=x+3
Penny Nom lui répond. |
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40 miles at 50mph |
2010-05-02 |
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gill pose la question :
if a car travelled 40miles at 50mph, how long would it take?
Penny Nom lui répond. |
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How much concrete do I order? |
2010-05-01 |
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Carol pose la question :
We are having a block foundation installed under our house that measures 80ftX28ft and I need to know how to figure out how much concrete to order. The footer will be 12 inches wide and 4 inches deep all the way around the house. How do I figure the square footage of my house? I know area = LxW but do I double that since there 4 sides to my house?
Penny Nom lui répond. |
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Odd numbers with no repeated digits |
2010-05-01 |
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jameka pose la question :
How many odd numbers can be written from the set {2,3,4,5,6} if no digits may be used more than once?
Penny Nom lui répond. |
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The rejection region |
2010-05-01 |
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Mong pose la question :
In Tests of Hypothesis, what is the decision when the test statistic we compute from the sample information is exactly equal to the critical value? that is, we reject null hypothesis or do not reject it?
Thanks!
Chris Fisher lui répond. |
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When are the cars exactly 40 miles apart? |
2010-05-01 |
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Maryanne pose la question :
A car traveling east at 45 mph passes a certain intersection at 3pm. Another car traveling north at 60mph passes the same intersection 25 minutes later. To the nearest minute, figure out when the cars are exactly 40 miles apart.
Penny Nom lui répond. |
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A geometric progression |
2010-04-30 |
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Kalyani pose la question :
sum of infinite geometric progression is 9 and common ratio is 1/10
then sum up to 8 terms is?
Chris Fisher lui répond. |
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The diameter of a circle |
2010-04-30 |
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Jimmy pose la question :
If I have a straight line with a known length and decide to make a circle out of this know length how would I calculate what the diameter of the circle would be
Penny Nom lui répond. |
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How many terms are in the simplified expression? |
2010-04-29 |
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Anu pose la question :
The expression (x+y+z)^2006 + (x-y-z)^2006 is simplified by expanding it and combining like terms.
How many terms are in the simplified expression?
I've spent hours on this. pls help!!!
Also, is answering these questions a paid job for you or is it volunteer work?
I'd like to join an ask and answer site for math, (when I grow up)
How does one go about doing that?
Robert Dawson lui répond. |
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