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Tempo and rhythm are terms that are often mixed up. They are both related to how fast or slow a piece of music is, but in very different ways. Simply put, 'tempo' is how fast you are going; 'rhythm' is how l...

To answer these questions, students must know the values of cos30 and tan60. If you don't know them off by heart, you can work them out using an equilateral triangle. cos 30° = adj / hyp = root(3) / 2 tan 60...

First thing’s first, let’s take a look at the AQA mark scheme, because that is what your marker will be following when they get your completed paper. The first thing they talk about in their mark scheme is w...

A mole is like a dozen - it is a number of something . You can have a dozen people (12 people), a dozen oranges and so on. A dozen is useful for big objects like oranges, but atoms and molecules are much muc...

x 1 = (-b + (b 2 - 4ac) 1/2 )/2a and x 2 = (-b - (b 2 - 4ac) 1/2 )/2a. So with the values a = 1, b = 3 and c = 2: x 1 = (-3 + (3 2 - 8) 1/2 )/2 and x 2 = (-3 - (3 2 - 8) 1/2 )/2, x 1 = (-3 + 1)/2 = -1 and x ...