 |
 |
 |
 |
 |
 |
 |
 |
Pythagorean equation |
2008-02-27 |
 |
Judy pose la question : X^2 + Y^2 = 5^2
Graph all ordered pairs in the coordiante plane that satisfy the Pythagorean equation, x squared plus y squared equals five squared Stephen La Rocque lui répond. |
 |
 |
 |
 |
 |
A proof in geometry |
2008-02-27 |
 |
Kimberly pose la question : I'm trying to write a proof for the following: If all altitudes are equal in an equilateral triangle then all sides are equal. Stephen La Rocque and Penny Nom lui répond. |
 |
 |
 |
 |
 |
Multiple guess |
2008-02-27 |
 |
debbie pose la question : What is the probability of getting 6 out of 10 (a,b,c,d,e) questions correct, by random selection? Stephen La Rocque lui répond. |
 |
 |
 |
 |
 |
Two regular pentagons |
2008-02-27 |
 |
Shirley pose la question : Regular pentagon QRSTU has a side length of 12 centimeters and an area of
248 square centimeters. Regular pentagon VWXYZ has a perimeter of 140
centimeters.
I need to find its area. Stephen La Rocque lui répond. |
 |
 |
 |
 |
 |
What number has exactly 51 divisors? |
2008-02-26 |
 |
Lisa pose la question : What number has a Tau which equals 51? In other words, what number has exactly 51 divisors? It must be a square of some kind! Penny Nom, Victoria West and Harley Weston lui répond. |
 |
 |
 |
 |
 |
A line drawn between 2 vertices |
2008-02-26 |
 |
Arshad pose la question : what is a line drawn between 2 vertices which are not next to each other called. Penny Nom lui répond. |
 |
 |
 |
 |
 |
I cut the cylinder at a 45 degree angle |
2008-02-26 |
 |
Shannon pose la question : I have a cylinder with a radius of 2' 1 5/8".
How do I calculate the radius increase when I cut the cylinder at a 45
degree angle? Harley Weston lui répond. |
 |
 |
 |
 |
 |
A percentage problem |
2008-02-26 |
 |
Suzanne pose la question : In a class of 40 students, 80% are business majors. Of the 24 students
who passed the mid-term examination, 75% are business majors. What
percentage of students in the class who are not business majors passed
the examination? Penny Nom and Claude Tardif lui répond. |
 |
 |
 |
 |
 |
Integrate (4+x^2) / (x (2+x)^2) |
2008-02-25 |
 |
Russell pose la question : integrate (4+x^2) / (x (2+x)^2)
I really need to know the steps involved in doing this integral, I already have
the answer through wolfram integrator but for some reason can not
get to the answer given. Please help Harley Weston lui répond. |
 |
 |
 |
 |
 |
A right triangle |
2008-02-25 |
 |
Ali pose la question : The length of a hypotenuse of a right triangle is 2 metre more than the longer leg. The length of the longer leg is 7 metre more than the length of the shorter leg. Find the number of metre in length of each side of the right triangle. Stephen La Rocque lui répond. |
 |
 |
 |
 |
 |
cos(2x)=(cos x)^2- (sin x)^2 |
2008-02-25 |
 |
azarnia pose la question : comment démontrer que : cos(2x)=(cos x)²_(sin x)² Maxime Fortier Bourque lui répond. |
 |
 |
 |
 |
 |
Combien y a t il d amis dans le groupe |
2008-02-25 |
 |
vaucher pose la question : un groupe d amis souhaite organiser une sortie si chacun donnait 14 € il manquerait 4 € mais si chacun donnait 16€ il y aurait un excedent de 6 € combien y a t il d amis dans le groupe Maxime Fortier Bourque lui répond. |
 |
 |
 |
 |
 |
A Norman window |
2008-02-25 |
 |
Jason pose la question : If the perimeter of a Norman window is 20 feet, what is the maximum area of the window? Stephen La Rocque lui répond. |
 |
 |
 |
 |
 |
10 squares drawn one inside another |
2008-02-25 |
 |
Rajesh pose la question : There are 10 squares drawn one inside another.The diagonal of the inneremost square is 20 units. if the distance b/w the corresponding corners of any two successive squares is 1 unit, find the diffrence between the areas of the eigth and seventh square counting from the innermost Stephen La Rocque lui répond. |
 |
 |
 |
 |
 |
All possible arrangements of the word "PROBLEM" |
2008-02-25 |
 |
student pose la question : Consider all possible arrangements of the word "PROBLEM". If a word is picked at random, find the probability that
(a) the word starts with a vowel
(b) the word ends with a consonant. Harley Weston lui répond. |
 |
 |