How does osmosis explain the fact that a watery syrup forms when you put sugar on strawberries? Sugar dissolves in some of the surface water molecules making a high concentration of sugar solution. The osmostic pressure is changed significantly; the result is that the sugar ...
October 22, 2006
How do you factor numbers? 2x squared + 5x-3 for instance? 2x^2 + 5x -3 Make two sets of parentheses. ( ) ( ) The first number in each set must be such that the product will be 2x^2. Obviously, that must be 2xand 1x so put them in. (2x )(x ) The next thing in the set is the ...
October 17, 2006
What is the difference between a control group and an experimental group? Thanks in advance. :) control group is the group you do not change (what you comapre the experiement to), the experimental group is the group that you do the experiment to, you compare the results to the...
September 27, 2006
A country exported 60,000,000 less than it imported, creating a negative balance ...and the question is? We know imports > exports. Therefore we have a trade imbalance of 60,000,000. On the fiscal budget for the country this would be recorded in red or with a - sign or ...
September 6, 2006
Ok AXIA here too. All I have to say is I'm sick of Instructors saying "to make things easier don't post this way post that way and we can all figure it out." Bull, every single Instructor has asked for me to do it differently and it is confusing as hell!
July 20, 2006
A motor boat took 4 hours to make a downstream trip with a current of 3mph. The return trip against the same current took 8 hours. Find the speed of the boat in still water. Call Y the boat's rate. distance = rate x time. downstream rate of boat is Y+3. t=4 hrs. upstream ...
June 22, 2006
3 --- 2 --------- 1 + 1 -- -- 3 x I assume you mean (3/2)/[(1/3) + (1/x)] You could rewrite the denominator as [(1/3) + (1/x)] = (x + 3)/(3x) Which would lead to (3/2)/[(1/3) + (1/x)] = (3/2)*(3x)/(x+3)= (9/2)[x/(x+3)] Thank you
June 22, 2006