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So with these kind of questions they tend to be more of a first part to a question, probably worth about two marks on an A Level exam.The first thing to spot with this question is that f(x) contains a pro...

So to get 11 you could roll a 5 and a 6 or a 6 and a 5.Probability of rolling 5 and 6 = 1/6 x 1/6 = 1/36Probability or rolling 6 and 5 = 1/6 x 1/6 = 1/36So probability of rolling an 11 is 2/36

Here I would include all the working out. If the question was different, I'd also draw more diagrams and illustrate the question better, as I believe it's easier to remember and understand that way.x = 5y...

24.5 Divided by 7 = 3.5.63-24.5= 38.538.5 Divided by 3.5 = 11

Ok so this is a typical exam questions worth around 3-4 marks depending on which exam board you are sitting with.To start solving this problem, we are looking for 2 to the power of "something" -...