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Hi everyone:) Over the holidays we were given an assignment to complete. We had to test a range of household substances and see what would dissolve in ethanol. One of the substances I chose was water. I know ethanol dissolves in water, but because I was testing ethanol as the solvent and...

Hi everyone:) I was going through my syllabus notes quite meticulously in order to ensure I had not been too brief in covering any of the dot-points when I began to ponder the seemingly ambiguous nature of what a certain dot-point was attempting to convey: describe the uses of the...

I really just need someone to explain this to me if at all possible:) I don't understand how to solve them. Here are some questions: Q1. (1)/(x-1)>4 Q2. (1)/(z+3)<-5 Q3. (8p+7)/(2p-9)>5 Q4. (5m+4)/(2m)<(1/4) Thanks in advance for your help:)

Just a few questions I would realy appreciate some help with (if you could explain how you got the answers, that would be great!)... 1. A table has 4 boys and 4 girls sitting around it. a) If the seating is arranged at random, find the probability that i) 2 particular girls will sit together...