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Foiled by foil |
2009-07-20 |
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RAY pose la question :
how u do the foil ?
the question (x+4)(x+5)
Robert Dawson lui répond. |
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A golf league with 12 players |
2009-07-17 |
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Jane pose la question :
My weekly golf league has 12 players in 4 threesomes.
How many weeks would it take to play everyone once and not have too many
duplications? What would be the schedule each week?
Thanks
Victoria West lui répond. |
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Portion of Work |
2009-07-17 |
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Ellen pose la question :
A girl can shampoo the dog, clean his ears, and clip his nails in 45 minutes.
Her sister can do it in 60 minutes. How long will the job take it they work together?
Stephen La Rocque lui répond. |
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Percentage of Acid |
2009-07-17 |
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Leeanne pose la question :
here is my question:
a chemist has 200 liters of solution that is 5% acid. how many liters of water
(0% acid) must he add to make a solution that is 4% acid?
Stephen La Rocque lui répond. |
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Rearrangements of 8028842 |
2009-07-17 |
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Con pose la question :
How many different 7-digit numbers can be made by rearranging the digits in the number 8028842?
Penny Nom lui répond. |
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Pre-Algebra Resources |
2009-07-16 |
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M pose la question :
What is the best pre algebra book that is inexpensive and will really help
me to understand pre algebra?
Janice Cotcher lui répond. |
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Finding the Line Joining Perpendicular Feet |
2009-07-16 |
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mukulu pose la question :
Please help I've been tryng to search in your data but i failed to get the solution Find the equation of a straight line joining the feet of the perpendiculars drawn from the point A(1,1) to the line 3x-3y-4= 0 and 3x+y-6=0.
Janice Cotcher lui répond. |
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Flying with the sun in view |
2009-07-15 |
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Randee pose la question :
If you wanted to fly in a plane, with a constant "just setting" sun in view, where would you start, what time of day, and what would the altitude and air speed need to be?
Robert Dawson and Stephen La Rocque lui répond. |
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A side of a rectangle |
2009-07-15 |
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hanbal pose la question :
Could please help solving this problem
A(1,3) and D(5,5) are two vertices of a rectangle ABCD. The equation of line AC is 3y=4x + 5
Find
a) the equation of line DC
Chris Fisher lui répond. |
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The lateral area of a cone |
2009-07-15 |
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ashley pose la question :
What is the radius of a cone with the lateral area being 443.3 mm^2 and the slant height being 14.7 mm.
Penny Nom lui répond. |
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Profit as a percentage |
2009-07-15 |
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Jay pose la question :
If I buy an item for $3.00 and sell it for $6.00. What is my percentage of profit?
Penny Nom lui répond. |
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Filling a hole |
2009-07-14 |
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BARRY pose la question :
I HAVE AN AREA THAT i NEED TO FILL WITH DIRT AND AM TRYING TO FIGURE OUT THE CU. YDS NEEDED. tHEY CIRCUMFRANCE OF THE HOLE IS 28' ROUND AND SLOPES FROM 2.5 FEET AT ONE END TO 0 ' AT THE OTHER. OVERALL THE HOLE IS 30' LONG BY 30' WIDE . THE SLOPE RANGES FROM 2.5 ' TO APPROX 4"
Harley Weston lui répond. |
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A tangent to a circle |
2009-07-14 |
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Eric pose la question :
Hi I am trying to complete a packet that has a list of questions to brush up on pre-calculus skills. The question asks "For the circle x^2 +y^2 + 6x - 4y + 3 = 0 find : the equation of the tangent at (-2,5). I have already found the equation for the circle and standard form and the center and radius. However, i do not know how to find the slope or y-intercept of the tangent line. Please help. Thanks.
Stephen La Rocque lui répond. |
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The surface area of a rectangular pyramid |
2009-07-13 |
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Shivani pose la question :
What is the surface area of a rectangular pyramid with a length of 6 inches,
a width of 7 inches and a SLANT height of 4 inches.
Penny Nom lui répond. |
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The product of two consecutive integers |
2009-07-13 |
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kelly pose la question :
the product of two consecutive integers is 9 less than the square of the second integer
Penny Nom lui répond. |
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