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So what we need to do is work out what x is when y is equal to 11.Firstly, we would rearrange the equation so that x is the subject and to do this we subtract 5 from both sides.Thisgives us y-5 =2x. Dividing...

Binary is base 2, which means that all binary numbers are represented as sequences of 0's and 1'sEach time you to add a zero to the end of a binary number, you multiply it by 2E.g. 1 = 2 0 = 1, 2 = 2 1 = 10,...

Blood is carried from the body to the heart via the Super Vena cavaIt enters the heart first into the right atrium before going through the right atrioventricular (tricuspid) valve into the right ventricle I...

The movement of water molecules from an area of high water concentration to an area of low water concentration.

Use the mark scheme It is important to really understand the mark scheme for your particular exam board and qualification to see exactly what they are looking for. Often the mark scheme will include differen...