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Slope and rate of change 2008-06-23
Lee pose la question :
What is the difference between a slope and a rate of change?
Stephen La Rocque lui répond.
An 18,000 mile automobile trip 2008-06-23
rachel pose la question :
two men were about to start on an 18,000 mile automobile trip. The tires on their car were each good for 12,000 miles but not a foot more. how many spares will they need to go 18,000 miles
Stephen La Rocque lui répond.
A number that ends with 2 2008-06-23
Jim pose la question :
A number ends in 2. If you were to place that digit at the beginning of the number, the resulting number will be twice the original. Find the smallest such number.
Stephen La Rocque lui répond.
3y^2 - 48 = 0 2008-06-23
marquis pose la question :
3y^2 - 48 = 0
Stephen La Rocque lui répond.
111...111 * 2003 2008-06-23
Peggy pose la question :
Number a = 111...111 formed by 2003 1's. Find the sum of the digits of the number 2003 * a.
Penny Nom lui répond.
Watts and kilowatts 2008-06-23
Kenneth pose la question :
Hello: Here is my question: Find the kilowatt-hours of electricity used by a light bulb with a rating of 60 watts if the light is used for 10 hours.
Stephen La Rocque and Harley Weston lui répond.
Four digit combinations 2008-06-23
star pose la question :
Can you you give me a list of all 4 digit combination starting with the number 7, for example 7123,7213.
Penny Nom lui répond.
The sum of the digits of a number 2008-06-23
Ben pose la question :
Question: Using mathematical induction, prove that if the sum of the digits of a number is divisible by three, then the number itself is also divisible by 3.
Penny Nom lui répond.
I will be x years old in the year x squared 2008-06-22
rachel pose la question :
you probably know someone who will x years old in the year x squared. When was that person born?
ha lui répond.
How many gallons in an oval shaped tank? 2008-06-22
dale pose la question :
how many gallons in an oval shaped tank, 72in long x46.5in wide x23in deep
Penny Nom lui répond.
The height of an isosceles triangle 2008-06-22
Evelyn pose la question :
Hi! I am facing problem finding the height of the isosceles triangle.
Penny Nom lui répond.
How many face does a cone have? 2008-06-21
Vanessa pose la question :
How many face does a cone have?
Harley Weston lui répond.
Two forces acting on a body 2008-06-21
Rita pose la question :
Before answering the question below, what exactly is, in basic words, resultant force? QUESTION: Two forces of 50 and 68 pounds act on a body to produce a resultant force of 70 pounds. Find, to the nearest 10 minutes or nearest tenth of a degree, the angle formed between the resultant force and the smaller force.
Harley Weston lui répond.
30% profit 2008-06-19
Julie pose la question :
how do i calculate the price per person that will return a 30% profit on the sales revenue generated?
Penny Nom lui répond.
sin(2x)/sin(3x) 2008-06-19
matt pose la question :
how does sin2x break down (not with identities) and how would sin3x be created. My prob. is sin 2x/ sin 3x and I want to know how the double(or triple angle) would break down. I want to be able to cancel out sins. Thanks!
Harley Weston lui répond.
 
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