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A triangular lot |
2007-10-17 |
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From Brian:
Seeking the square footage of a triangular property lot, dimensions are: 620 X 620X 720.
Answered by Penny Nom and Melanie Tyrer. |
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Order of operations |
2007-10-17 |
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From Devon:
What function precedes the other? ie; 18 - 4 x2 =
Answered by Penny Nom. |
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Paying with silver - Part 2 |
2007-10-17 |
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From Shanna:
The paying with silver problem. I understand how to do the problem, but could you please explain how you would use base 2 arithmetic to solve it.
Answered by Penny Nom. |
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the sum of two consecutive integers is 51 |
2007-10-17 |
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From Keira:
the sum of two consecutive integers is 51
Answered by Penny Nom. |
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Calculate the dimensions of the rectangle |
2007-10-16 |
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From Sara:
The perimeter of a rectangle is 62cm. The length of the diagonal is 25 cm. Calculate the dimensions of the rectangle.
Answered by Stephen La Rocque. |
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Surface area of an open-ended cone |
2007-10-16 |
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From Lorne:
What is the surface area of an open ended cone? Measured at 10' high,
16' diameter on the bottom and 2' diameter at the top.
Answered by Stephen La Rocque. |
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0,1,2,3,6,11,20,37,68... |
2007-10-16 |
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From Pat:
Describe the rule for this pattern:
0,1,2,3,6,11,20,37,68...
Thanks
Answered by Penny Nom. |
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5x + 9 = 3x + 7 |
2007-10-16 |
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From kristina:
hi im kristina and i cannot figure out how 2 do these multi-step equations
5x + 9 = 3x + 7 i can on getting the wrong answer according 2 the book
Answered by Penny Nom. |
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How many cubic yards of dirt do I need? |
2007-10-16 |
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From BELINDA:
I need to fill an area of 30,000 square feet with dirt that is 18" in height. How many cubic yards of dirt do I need to do this?
Answered by Penny Nom. |
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lim x->1 (root x - x^2)/{1 - root x) |
2007-10-16 |
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From Meghan:
Hi! I have a question from my Calculus textbook that I've been picking at for a while and I'm stuck.
lim x->1 (root x - x^2)/{1 - root x).
Answered by Stephen La Rocque and Penny Nom. |
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Related rates |
2007-10-15 |
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From Alexis:
Example 1. An observer is tracking a small plane flying at an altitude of 5000 ft. The plane flies directly over the observer on a horizontal path at the fixed rate of 1000 ft/min. Find the rate of change of the distance from the plane to the observer when the plane has flown 12,000 feet after passing directly over the observer.
Answered by Stephen La Rocque. |
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How many tons of asphalt are in 12 cubic yards? |
2007-10-15 |
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From Matthew:
I want to know how many tons of asphalt are in 12 cubic yards?
Answered by Penny Nom. |
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How do you find the radius of a circle if you only know its area |
2007-10-15 |
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From s:
how do you find the radius of a circle if you only know the area of the circle. Do you somehow
reverse the Pi formula.
Answered by Penny Nom. |
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Percentages to put on top of an items cost |
2007-10-15 |
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From GAIL:
what is the formula for calculating percentages to put on top of an items cost.
ie: 115.60 with 15% on top
Answered by Penny Nom. |
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2(y minus 3) = |
2007-10-15 |
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From Alissa:
i have more then one question:
1. 2(y minus 3) =
2. 3(4 plus x) =
3. negative 6(2a plus 3b) =
4. negative 2(5x plus 2y) =
5. negative 3(x minus y) =
6. negative 3(3x minus 4w) =
Answered by Penny Nom. |
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