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Exponential form |
2009-04-16 |
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From Pete:
Hi,
How do you express ³√h^-4 in exponential form. I am having a lot of
trouble with this one.
thanks
Pete
Answered by Stephen La Rocque. |
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Passing three cars |
2009-04-16 |
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From Larry:
If 3 cars are going 50 mph, and a fourth car pass the first 3 cars in 200 feet, how fast is the fourth car going?
Answered by Stephen La Rocque. |
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An octagonal shaped gravel pit |
2009-04-16 |
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From Melissa:
What is the square footage of a 7'3" square ocatogon with a height of 5 inches? I need to know how much pea gravel to buy for my sons gravel pit.
Answered by Stephen La Rocque. |
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What is the original number? |
2009-04-16 |
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From Yueh:
A five digit number is written on a blackboard. Ron erases one of the digits and adds a newly constructed number to the original one. The result is 41751. What is the original number?
Answered by Claude Tardif. |
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10 yards of rubber mulch |
2009-04-15 |
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From Donna:
If I want to buy 10 yards of rubber mulch (bulk), but it only comes in 20 pound bags, how many bags do I need to buy?
Answered by Harley Weston. |
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Cubic yards of dirt |
2009-04-15 |
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From ravi:
Calculate the cubic yards of dirt to the nearest whole number (0) required to fill
a basement 9 ft 6 in. deep of the following size. base1= 47.0 ft, base2= 57.2 ft,
and the height is 15.0 ft
Answered by Penny Nom. |
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Change 5/6 into a percent |
2009-04-15 |
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From Shelly:
My question is when it says change 5/6 into a percent
Answered by Penny Nom. |
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A number puzzle |
2009-04-15 |
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From Julie:
Hi, please help me!!! I have a subtraction puzzle...
5 digits minus 4 digits = 33333
Only using numbers 1-9 once each.
I can get 33323 but then thats it!!! Please how do I work it out?
There must be a simple way??
Thankyou
Answered by Claude Tardif. |
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Units digit |
2009-04-15 |
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From A student:
What is the unit digit of 47 to the 43rd power? Please answer as soon as possible. Thank you.
Answered by Stephen La Rocque. |
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How many handshakes took place? |
2009-04-15 |
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From wm:
Suppose every member of the House of Representatives shakes
hands with every other member exactly once.
How many handshakes took place ?
Answered by Penny Nom. |
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The volume of a box |
2009-04-15 |
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From Karen:
Will 200 cubic centimeters of soil fit into the box?
8 CM by 6 CM and 4 CM deep
Answered by Penny Nom. |
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Infinity and Aleph-Null |
2009-04-14 |
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From Justin:
Yes, I am reading the Paul Halmos book on Set theory, thanks for telling me how to get it! I was just wondering from your last answer though if the positive real infinity of calculus then corresponds to Aleph-null? I am sorry if this is a similar question to the one I asked before but I was just wondering about this!
All the Best,
Justin
Answered by Robert Dawson. |
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Choices at a restaurant |
2009-04-13 |
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From Rob:
There is a restaurant you get:
| Rice/Noodles (1) |
Main Ingredient (any) |
Sauce (1) |
| 1 |
1 |
1 |
| 2 |
2 |
2 |
| 3 |
3 |
3 |
| 4 |
4 |
4 |
| 5 |
5 |
5 |
| 6 |
6 |
6 |
| 7 |
7 |
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8 |
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9 |
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10 |
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11 |
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12 |
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So the question is how many different combinations are there. You can only have 1 rice/noodles in a selection and only 1 sauce in a selection but you can have between 1 and all twelve mains in a selection. there are 7 rice/noodles , 12 mains and 6 sauces. How many possibilies. I did it mentally in the restuarant, no pen, paper or calculater and i got 3276..i think thats wrong. please help
Rob
Answered by Robert Dawson, Stephen La Rocque and Claude Tardif. |
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A four-sided lot |
2009-04-12 |
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From Robert:
back of property is 137' across,with an angle of 122deg.on the left side and an angle of 140 deg. on the right side,the left side is 123' and the right side is 93' long,the left front is 130 deg. and the right front side is 150 deg. and the front of the property measures 78'
Answered by Harley Weston. |
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A 4 digit number |
2009-04-12 |
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From kaylin:
When a 4 digit rounded to the nearest thousand,it rounds up to 3000. the hundred digit is less than 6. the digits in the ten and ones place add to a sum of 8 and they are the same . what is the number
Answered by Robert Dawson and Penny Nom. |
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