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The area of a triangle |
2006-09-01 |
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From Anthony:
I WOULD LIKE TO KNOW THE AREA OF A TRIANGLE THAT IS 42" AT THE BASE WITH EQUAL SIDES OF 29" .
Answered by Stephen La Rocque. |
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Rays |
2006-08-31 |
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From Natasha and daughter:
My daughter, Natasha, is in 4th grade. She had the following homework question about rays that confused us:
Name as many rays as you can in the figure below.
Answered by Penny Nom. |
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What is the length of one side of 10 sq acre |
2006-08-30 |
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From Rick:
what is the length of one side of 10 sq acre
Answered by Penny Nom. |
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Making and using equations |
2006-08-30 |
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From Brooke:
write an equation to model the relationship between these variables. Define the variables you use, and refer to your notes for a variety of formats of equations we have studied this year.
week 1: 3 birds infected
week 2: 15 birds infected
week 3: 75 birds infected
week 4: 375 birds infected
Answered by Stephen La Rocque. |
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The lower half of a sphere |
2006-08-30 |
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From Yvette:
I am interested in finding out how to represent the lower half of a sphere in the form of z=f(x,y) with r=2 and a centre point (3,1).
Answered by Stephen La Rocque and Penny Nom. |
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$10.00 worth of pennies |
2006-08-30 |
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From Amelia:
IF YOU MADE A LINE WITH $10.00 WORTH OF PENNIES, HOW LONG WOULD THE LINE BE?
Answered by Stephen La Rocque and Penny Nom. |
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How many marbles are there? |
2006-08-30 |
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From Cathey:
Four children are playing with marbles. At the end of the day, one child has four less than half the marbles. The second child has six more than one-fifth the marbles. The third child has one third of what the first child has and the fourth child has one less than the third child. How many marbles are there?
Answered by Stephen La Rocque. |
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How do i get the height of an isosceles triangle? |
2006-08-29 |
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From Luis:
How do i get the height of an isosceles triangle?
Answered by Penny Nom. |
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Brackets and more brackets |
2006-08-29 |
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From Michelle:
Feeling stupid asking but it's been awhile ... {{{2}}} ...what is this really saying ....are the outer brackets = null?
Answered by Stephen La Rocque. |
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How high (in feet) is the mountain? |
2006-08-29 |
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From Briana:
A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 29 degrees. From a point 2000 feet closer to the mountain along the plain, they find that the angle of elevation is 31 degrees.
How high (in feet) is the mountain?
Answered by Stephen La Rocque. |
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What is the total cost of a driveway ... |
2006-08-29 |
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From Ismael:
What is the total cost of a driveway 15' wide, 40' long and 4" thick if the concrete costs $60.00 per cubic yard and the labor costs $1.25 per square foot?
Answered by Stephen La Rocque. |
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How many microliters (ul) are there in 0.5 ml? |
2006-08-29 |
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From Monica:
How many microliters (ul) are there in 0.5 ml?
Answered by Stephen La Rocque. |
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A concrete floor |
2006-08-27 |
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From Cecelia:
We are going to pour a concrete floor for a porch and would like to know how many yards of concrete it would take.
The measurement is-----32 feet long and 6 feet wide with a depth of 5 inches. Could you tell me how to figure this or how many yards I will need so I will have an idea of the cost.
Answered by Penny Nom. |
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Grossing up payroll wages |
2006-08-27 |
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From Katie:
I really need to understand (spelled out step by step) how to gross up payroll wages.
Answered by Penny Nom. |
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How many total worker are in the factory? |
2006-08-26 |
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From Sherine:
One quarter of the workers at the factory are clerical, one fifth are technical, half are are administrative,and the remaining 25 are managerial.
How many total worker are in the factory?
Answered by Penny Nom. |
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