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What happens when you have zero's on both sides? |
2007-06-05 |
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Lily pose la question :
On the substitution method what happens when you have zero's on both
sides of the equation? Is that considered no solution or infinitely many?
Stephen La Rocque and Penny Nom lui répond. |
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Finding the area of a lot without knowing the angles |
2007-06-05 |
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Cristin pose la question :
I have a land-locked piece of land. I need to know the square
footage in order to determine the acreage. My deed only gives the lengths of its five sides.
Stephen La Rocque lui répond. |
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A circle and polygon with equal perimeters |
2007-06-05 |
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matthew pose la question :
Why does a circle have the largest area of any polygon when the perimeter is always 1000m for every polygon?
Stephen La Rocque and Penny Nom lui répond. |
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What angle does the tire turn in 60s? |
2007-06-04 |
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San pose la question :
An automobile, travelling at 80km/h, is towing a trailer. The wheels of the trailer
are 40cm in diameter. Through what angle does the tire turn in 60second?
Stephen La Rocque lui répond. |
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A flagpole and a telescope |
2007-06-04 |
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Fabiola pose la question :
A telescope is mounted on a tripod 5 ft above the ground and 20 ft from a
flagpole. The telescope must be rotated 48° from horizontal to see the top
of the flagpole. How tall is the flagpole?
Stephen La Rocque lui répond. |
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Algebra - find the number |
2007-06-04 |
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Fabiola pose la question :
When 4 times a number is increased by 40, the answer is the same as
when100 is decreased by a number. Find the number
Stephen La Rocque lui répond. |
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A regular octagon is made up of 8 identical isosceles triangles |
2007-06-04 |
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Alex pose la question :
A regular octagon is made up of 8 identical isosceles triangles. If the perimeterof each isosceles triangle and the hexagon are 58 cm and 168 com respectively, find the length of the identical sides of the triangle.
Stephen La Rocque lui répond. |
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Volume of a brewer's sphere |
2007-06-04 |
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Edward pose la question :
A Brewer's Sphere that has a 9' Dia. Holds how much Brew? How many 40oz bottles will be needed to hold his batch of Brew?
Stephen La Rocque lui répond. |
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How many faces does a triangle have? |
2007-06-04 |
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Daniela pose la question :
how many faces does a triangle have?
Stephen La Rocque lui répond. |
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Deux terrains |
2007-06-04 |
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Aurelie pose la question :
Deux terrains, un rectangulaire et l'autre carré, ont la même superficie.
Si tu sais que la longueur du terrain rectangulaire mesure 40m et que le carré mesure 20m de côté, détermine la largeur du terrain rectangulaire.
Claude Tardiff lui répond. |
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A species of beetle has a 3yr life span |
2007-06-03 |
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Gilligan pose la question :
A species of beetle has a 3yr life span. Half the females in their first year
will survive into the second year the rate from second to 3rd year is 1/3. Each female breeds in the 3rd year of life, producing 6 females and 1 male. No females survive beyond the 3rd year.
Let xsub1,xsub2,xsub3 denote the number of females in the 1st, 2nd and 3rd year.
(a) What will be the number of females in the 1st, 2nd and 3rd years of life next year?
(b)Show that the numbers in each group will return to the same values every 3 years?
(c) Given a total of 3600 beetles, over the 3 age groups, calculate the number in each group?
Penny Nom lui répond. |
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How fast was he going? |
2007-06-03 |
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Mary pose la question :
if a motorcycle left a 63 foot skid mark before hitting a car how fast was he going ?
Penny Nom lui répond. |
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Equation of a line |
2007-06-03 |
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Mahrukh pose la question :
Hi i would like to know how to find the equation of a line, when you are given a piont (3, -1) and the x intercept which is -1?
Penny Nom lui répond. |
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A machine depreciates by 20% each year |
2007-06-03 |
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katie pose la question :
the value of a machine depreciates by 20% each year.
How would i find what single decimal number to multiple the original value by to find its value after 2 years?
Penny Nom lui répond. |
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The difference between two dice |
2007-06-02 |
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smiley pose la question :
Two standards dice are rolled. Determine the probability
that the difference between the two numbers on the dice is 2
Penny Nom lui répond. |
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