Posts by marc
Total # Posts: 106
IF 20 COUNTERS ARE A WHOLE SET, WHAT FRACTION OF THE SET IS 16 COUNTERS?
December 10, 2007
A 52.0 kg male dancer leaps 0.37 m high. (a) With what momentum does he reach the ground? (c) As the dancer lands, his knees bend, lengthening the stopping time to 0.050 s. Find the average force exerted on the dancer's body. (d) Compare the stopping force with his weight...
December 9, 2007
13-b/6=2-0.5b/4 I cross muliptiled and I got 12-3b=52-4b. I'm stuck. What do I do now?
November 1, 2007
Find all positive integers a<b<c (a is less than or equal to b, b is less than or equal to c) such that: arctan (1/a) + arctan (1/b) + arctan (1/c) = (pi/4)
October 6, 2007
Has anyone read the Strange Case of Dr Jekyll and Mr Hyde and/or The Time machine ?? if so,please let me know..as i have some questions thank you
September 16, 2007
Why should we estimate before solving a problem? We should estimate before solving a problem to make sure our answer is close to the real answer. Here's a simple problem. Suppose we want to find wnat a 6% tax on a $10 purchase would be. When you do the math, the answer ...
October 3, 2006
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