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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.
 
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