Search over 10,000 free study notes

We are finding the Highest common multiple (HCM) of two numbers in this question. To find the HCM, first the prime factors have to be found, this means writing each number as a multiplication of the small...

Start by writing down the question5(x+2) = 45The aim is to "free" or solve for the variable "x", we work from outside the brackets. First step is to get rid of the 5 on the left hand s...

Photosynthesis converts light energy from the sun to chemical energy stored as glucose, i.e. the plant can make its own food using energy from the sun. The glucose is used by the plant in the process of r...

I would first ask the student what exam board the question is from. I would also ask the student whether the source was written or visual, as there can be different approaches taken depending on the sourc...

As you increase the temperature of the reaction, the particles gain kinetic energy. This causes them to move faster and as a result, the frequency of collisions increases. This means there is an increased...