Sat 27 Jan, 2007 10:21 am - 1. You've just the $1 million cash lottery, and you go to pick up the prize. What is the approximate weight of teh cash if you request payment in (a) quarters (b) dollar bills?
2.... (view)
Sun 10 Sep, 2006 10:39 pm - A sample of 0.370 mol of a metal oxide (M2O3) weighs 55.45 g. How many grams of O are in the sample?
Metal hydrides react with water to form hydrogen gas as shown for Sr,
SrH2(s) + 2H2O(l)... (view)
Tue 2 May, 2006 07:53 pm - 1. evaluate: (f (x + h) - (f (x)) / h
if f (x) = 2x^(2) - 3x + 4
2. Find the value of k which makes (x-2) a factor of x^(3) + 3x^(2) + kx - 8.
3. A picture supposedly... (view)
Tue 4 Apr, 2006 10:00 pm - [quote="raprap"]Homework?
1. The Richter scale is logritmic. An earthquake of magnitude 6 is 10 times more intense (energetic?) than an earthquake of magnitude 5.
2. Use... (view)
Tue 4 Apr, 2006 05:34 pm - 1. If the intensity of one earthquake is 200 times the intensity of another, determine the difference in their magnitude.
2. 5[(3)^(2x-1)] = 4^(5x+2). Find x
3. Write the simplest... (view)
Tue 28 Feb, 2006 05:35 pm - math problems:
1. find x if the reciprocal of x+2 is x-2
2. find q if the graph of 3x+(2q-3)y=x-2qy+10 is the horizontal line.
3. Diana's father travels 21.5 miles by car to go to... (view)
