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The Mitchell Park Domes 2006-04-01
Nicole pose la question :
I would like to know how I could find the volume underneath the Mitchell Park Domes? The Diameter of the Domes is 140ft, 85ft high and 15,000 square feet.
Stephen La Rocque lui répond.
The height of an isosceles triangle 2006-04-01
Chris pose la question :
how do you work out the height of an isosceles triangle if i know the length of the base but i don't know any angles or the lengths of the sides?
Penny Nom lui répond.
Find the point of inflexion for the curve y = e^x/(x^2-1) 2006-03-31
Sam pose la question :
Hi, i am trying to find the point of inflexion for the curve y = ex/(x2-1) and i got a really complex expression for y". I can't seem to solve x4-4x3+4x2+4x+3=0 so does that mean there is no point of inflexion?
Penny Nom lui répond.
5 men took turns weighing themselves on a scale 2006-03-30
Bev pose la question :
5 men took turns weighing themselves on a scale. However, they weighed each other two at a time, ten times total, so that every possible combination of two men was weighed. The scale had the following read out for the pairs, 236,244,228,250,258,230,246,238,242,and 252 pounds. How heavy was the heaviest man?
Claude Tardif lui répond.
Can one divide a circle into 4.5 parts 2006-03-30
Chris pose la question :
If it is possible, can one divide a circle into say, 4.5 parts (with 4 equal parts and a half part)?
Or for that matter, for any integer, n, into n/2 parts as above?]

Walter Whiteley lui répond.
A plant increases its height by 1/2 the first day,... 2006-03-30
Andy pose la question :
A plant increases its height by 1/2 the first day, 1/3 the second day, 1/4 the third day and so on. How many days did it take to grow to 100 times its height?
Stephen La Rocque lui répond.
A fence around a pen 2006-03-30
Daryl pose la question :
I hope you can help me out with the attached problem, It has been driving me crazy.
Stephen La Rocque and Penny Nom lui répond.
Superimposing images 2006-03-30
Laurie pose la question :
I am a parent and trying to find real world applications for the math strand that includes superimposing one item on another to determine identical. The Alberta strand is match size and shape of figures by superimposing one on top of the other. I am trying to find a way to put this into context for everyday life. Any ideas?
Penny Nom lui répond.
Adding with mixed fractions 2006-03-30
Becca pose la question :

can anyone help with how we change to get the same denominator with adding whole number.

example:8+7 3/8

6 1/2 + 2 5/6


Stephen La Rocque lui répond.
cos(3X) 2006-03-29
Joshua pose la question :
I'm having trouble proving that cos(3X)=cos3X -(cosX)(sin2 X)
Penny Nom lui répond.
Exponential decay 2006-03-29
Casey pose la question :
Fifty milligrams of a drug was injected into a patient at 6am. The drug is known to be eliminated according to the law of exponential decay. At 8.30am it was determined that 60% of the drug remained in the body. How many milligrams will remain in the body at midday?
Penny Nom lui répond.
Angular velocity 2006-03-28
Ben pose la question :
How do you (a) express angular speed in terms of linear speed and (b) express linear speed in terms of angular speed?
Stephen La Rocque lui répond.
The cost of pizza 2006-03-28
Kristine pose la question :
Use the formula for the area of a circle, A=3.14rsq, to determine which is a better deal: a 14-in. pizza for $10.50 or a 16-in. pizza for $11.95. Using 3.14 for pi
Penny Nom lui répond.
A trig identity 2006-03-28
Iqbal pose la question :
Could you please prove,

[tan(x)-sin(x)]/sin3(x)=sec(x)/[1+cos(x)]
Stephen La Rocque lui répond.

A table of values 2006-03-28
Cindy pose la question :
Create a table of values for each of the following functions: y=5x, y=52, and y=5x. I dont know to do this.
Stephen La Rocque lui répond.
 
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