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a) Our first step is to replace 3(x^2) with 3(4^2) as x=4. Remembering BIDMAS (Brackets, Indices, Division, Multiplication, Addition, Subtraction), we know we must first work out the value of 4 squared, a...

As temperature increases more particles posses energy equal to or greater than activation energy. Due to that, particles collide more often increasing rate of reaction.

Mitosis occurs in all human cells, producing two genetically identical daughter cells containing a full set of chromosomes (diploid). This process takes place to replace old cells, in wound healing and in...

Once you've got a good grasp on your material, it's really useful to spend a bit of time thinking about the most efficient ways you could organise it. For example, if you are asked 'how is this piece a ty...

A lot of the time when we hear a chord, we expect it will be organised with the root note at the bottom - that the order of scale-degree notes, ascending, will be tonic-mediant-dominant (root-third-fifth)...