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Square meters and cubic meters |
2007-01-30 |
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From Fiel:
How do i convert square meter to cubic meter?
Answered by Penny Nom. |
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A thin wire 20 centimeters long is formed into a rectangle |
2007-01-29 |
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From Trisha:
a thin wire 20 centimeters long is formed into a rectangle. if the width of this rectangle is 4 centimeters, what is the length?
Answered by Penny Nom. |
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Height of a right triangle? |
2007-01-29 |
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From Engelbert:
The base of the right triangle is 50 ft. At the angle (on the base of the triangle) across from the right angle is labeled portion (a triangle within a triangle), the base of this little triangle is 10 ft. and the height is 6 ft. What equation can i use to solve this?
Answered by Steve La Rocque and Haley Ess. |
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Concrete paving blocks |
2007-01-29 |
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From Engelbert:
Read-mixed concrete is sold by the cubic yard. A landscape contractor wants to form concrete paving blocks that are rectangular solids with dimensions 36 inches by 36 inches by 6 inches. Assuming there is no waste, how many such blocks can she expect to make from one cubic yard of concrete? (1 yard= 36 inches)
Answered by Stephen La Rocque. |
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11^n +22^n = 55^n |
2007-01-29 |
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From Ankit:
11^n +22^n = 55^n
find the value of n?
Answered by Penny Nom. |
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A right triangle |
2007-01-29 |
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From Tayler:
One leg of a right triangle is 8 cm. less than the hypotenuse while the other leg is 1 cm. less than the hypotenuse. Find the length of the hypotenuse.
Answered by Penny Nom. |
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A 3-digit number in base 7 has its digits reversed when expressed in base 9. |
2007-01-28 |
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From Ashley:
A 3-digit number in base 7 has its digits reversed when expressed in base 9. Find this number.
Answered by Penny Nom. |
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How many gallons will it hold? |
2007-01-27 |
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From Taye:
I am building a aquarium for my daughter, It is 6 feet long 24 inches high and only 5 inches wide. How many gallons will it hold?
Answered by Stephen La Rocque and Penny Nom. |
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The height of an isosceles triangle |
2007-01-27 |
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From Brendan:
I need to find the height of an isosceles triangle whose angles are 52, 52 and 76 degrees. The base is 100, and the two equal sides are unknown. How would I go about this?
Answered by Stephen La Rocque. |
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Compound daily interest |
2007-01-27 |
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From Sharon:
calculate the return on $20,000 for 3 years at an interest rate of 8% that compounds daily.
Answered by Stephen La Rocque. |
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converting square miles into square meters |
2007-01-27 |
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From Susan:
how do you convert square miles into square meters
Answered by Stephen La Rocque. |
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The centre and radius of a circle |
2007-01-27 |
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From A student:
x^2+y^2=121 is the equation of the Circle C
(1) Write down the center and the radius of C.
Answered by Stephen La Rocque. |
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A boat travels 60 miles downstream in the same time it takes to go 36 miles upstream |
2007-01-27 |
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From Liz:
A boat travels 60 miles downstream in the same time it takes to go 36 miles upstream. The speed of the boat in still water is 15 mi/h greater than the speed of the current. Find the speed of the current.
Answered by Stephen La Rocque. |
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A curve on a cylinder |
2007-01-27 |
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From John:
think of a tube,say 50mm in diameter made out of cardboard, project vertical lines at right angles from the base at say every 2mm right round the tube in pencil.No pretend you can put this cardboard tube in a saw and cut it at 45degrees. Get a pair of scissors and cut it at the lowest end and lay it out flat.It now looks like a graph,how do you work out each of these vertical lengths possibly chord lengths
Answered by Stephen La Rocque and Penny Nom. |
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A 140 acre rectangular piece of land |
2007-01-27 |
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From Dave:
What is the perimeter of a 140 acre rectangular piece of land that is three times longer that it is wide?
Answered by Penny Nom. |
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