|
|
|
|
|
|
|
|
A definite integral |
2009-02-09 |
|
Mathata pose la question : Evaluate: integral from 0 to 1, x^2 e^x^3dx Harley Weston lui répond. |
|
|
|
|
|
Seating around a circular table |
2009-02-09 |
|
Jenny pose la question : A committee of 15 -- 9 women and 6 men -- is to be seated at a circular table (with 15 seats). In how many ways can the seats be assigned so that no two men are seated next to each other? Victoria West lui répond. |
|
|
|
|
|
Fencing 5 acres |
2009-02-06 |
|
bob pose la question : How many feet of fencing is required to fence in 5 acres Harley Weston lui répond. |
|
|
|
|
|
Making shapes with straws |
2009-02-06 |
|
Melissa pose la question : suppose you have 60 straws. How many of each shape could you make
a) Triangles
b) squares
c) pentagons
d) hexagons Stephen La Rocque lui répond. |
|
|
|
|
|
Cubic centimeters and ounces |
2009-02-06 |
|
Dawn pose la question : 1-- syringe contains 5.5cc of medicine & cost $13.50
1 --2 oz bottle of medicine cost $17.50
How many cc's in 2 oz, & which is the better deal? Stephen La Rocque lui répond. |
|
|
|
|
|
Are these lines parallel? |
2009-02-06 |
|
Conor pose la question : are these lines parallel?
y = 3x -2 and 6y = 3x +2 Stephen La Rocque lui répond. |
|
|
|
|
|
A triangular pyramid |
2009-02-06 |
|
kamran pose la question : what would be an example of a triangular pyramid Stephen La Rocque lui répond. |
|
|
|
|
|
A rectangular park |
2009-02-06 |
|
Debbie pose la question : A park named Writer's Rectangle opened in town. When asked about the dimensions of the rectangle, the city planner, responded with these clues: ---The diagonals of the rectangular park plus its longer sides together measure seven times one of the shorter sides. ---The length of one diagonal is 250 m longer than one of the shorter sides. Use this information to find the area of the park. Stephen La Rocque lui répond. |
|
|
|
|
|
Catching up to the car ahead |
2009-02-06 |
|
Ashley pose la question : Car A passes Car B on a freeway. The driver of Car B decides to speed up to 75 mph and catch Car A, whose driver is maintaining a constant speed.
Looking ahead, the driver of Car B sees Car A go under an overpass one-qarter mile up the road. Exactly six minutes later, Car B catches Car A.
How fast was the car going? Penny Nom lui répond. |
|
|
|
|
|
The height of a triangle |
2009-02-06 |
|
lisa pose la question : find the height of a triangle, which can be split into two right triangles, but the base (4') is not split equally in half. No interior angles are given.
side a=3', side b=5' Penny Nom lui répond. |
|
|
|
|
|
How much did the statue originally cost him? |
2009-02-06 |
|
Debra pose la question : Jim is able to sell a hand-carved statue for $670 which was a 35% profit over his cost. How much ded he statue originally cost him? Penny Nom lui répond. |
|
|
|
|
|
The substitution method |
2009-02-06 |
|
amber pose la question : Pleasse help me with this problem
x+y=-2
y-2x=1 Penny Nom lui répond. |
|
|
|
|
|
4 digit arrangements of 7 3 6 6 |
2009-02-05 |
|
Carole pose la question : I need all the four digit combinations using the numbers 7 3 6 6 Penny Nom lui répond. |
|
|
|
|
|
Conics |
2009-02-05 |
|
Jay pose la question : If you were to design your own picture of a conic, what would it look like? And also if you had to use two conics from the solar system and a solar oven...? Robert Dawson lui répond. |
|
|
|
|
|
A trig limit |
2009-02-05 |
|
Samantha pose la question : lim x-> 0 ( ( r*cos(wt +h) + r*cos(wt) )/ h )
Where r & w are constants. Harley Weston lui répond. |
|
|