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The distance between the sides of a parallelogram |
2008-03-30 |
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jhon pose la question :
Calculate the perpendicular distance between AB and DC of a parallelogram. Note: AB and DC are the sides of the parallelogram.
Penny Nom lui répond. |
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The exponential form of x radical y to the third power |
2008-03-30 |
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Jennifer pose la question :
what is the exponential for of x radical y to the third power
Penny Nom lui répond. |
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A normal distribution problem |
2008-03-29 |
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Lorie pose la question :
3. The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 109 inches, and a standard deviation of 10 inches.
a. What is the probability that the mean annual snowfall during 40 randomly picked years will exceed 111.8 inches?
Harley Weston lui répond. |
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A fish tank in the shape of an irregular pentagon |
2008-03-29 |
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richie pose la question :
i am building a fish tank. it is going to be an irregular pentagon. the sides are going to be
24"
24"
8"
8"
32"(approximately)
there will 3 right angles A, B, E
my question is how to figure out the degree of the angles that are not right angles (C,D)?
Chris Fisher lui répond. |
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n.q == k mod (m) |
2008-03-29 |
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Andrew pose la question :
If n.q == k mod (m) (where n, q, k, m, are integers & q is a prime)
Is it true that 'k' is always divisible by q?
Penny Nom lui répond. |
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The average rate of change |
2008-03-29 |
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Tom pose la question :
For the function x/3x-1 find the average rate of change between the interval x=1 and x=5?
Harley Weston lui répond. |
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Qui sommes nous? |
2008-03-28 |
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Cédrick pose la question :
Nous sommes deux nombres inférieurs à 40. Le nombre 11 est un de nos facteurs. Le produit de nos chiffres est un facteur de 8. Si nous changeons nos chiffres de place nos noms de changent pas. Qui sommes nous?
Maxime Fortier Bourque lui répond. |
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The area of an equilateral triangle |
2008-03-28 |
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Elizabeth-Morgan pose la question :
I have a problem that reads:
Find the area of a triangle with sides of 4 cm. Find the height first.
This means that I have an equilateral triangle, and I need a formula
to calculate the height using the base, and the sides.
Stephen La Rocque lui répond. |
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Probability and Merta trains |
2008-03-27 |
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Lorie pose la question :
4. Merta claims that 74% of its trains are on time.
a. Find the probability that among the 60 trains, 38 or fewer arrived on time.
Harley Weston lui répond. |
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The cube root of 198 |
2008-03-27 |
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bobby pose la question :
what is the cubed root of 198
Harley Weston lui répond. |
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A max-min problem |
2008-03-27 |
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LSL pose la question :
show that of all rectangle with a given area, the square has the smallest perimeter.
Penny Nom lui répond. |
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A car tire full of concrete |
2008-03-27 |
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robert pose la question :
I want to build a volleyball net support. I am using a car tire 24"odx16"id filled with concrete. how much will this weigh? thanks
Penny Nom lui répond. |
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5% tax on $1,500.00 |
2008-03-26 |
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Kay pose la question :
If a sales tax is 5% on $1.500.00 car. What would be the total?
Penny Nom lui répond. |
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Similar triangles |
2008-03-26 |
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Nisha pose la question :
In triangle ABC, LM is parallel to AB. If AL=x-3,AC=2x,BM=x-2,BC=2x=3. Find x
Penny Nom lui répond. |
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Operation on the mixed numbers |
2008-03-26 |
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bradley pose la question :
1) Perform the indicated operation on the mixed numbers below; write answer in simplest form:
8 1/3 – 2 1/4
2) Perform the indicated operations on the mixed numbers below; write answer in simplest form; note;: "•" denotes multiplication:
2 1/2 • 3 2/3 • 5 3
Stephen La Rocque lui répond. |
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