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Many students do not understand the rules for when one can 'cancel' in regards to fractions

The first step is to assess whether there are any plus or minus signs anywhere within the fraction. If not: separate the denominator into brackets, for instance if the denominator contained 2x you would s...

Answered by Anna C. • Maths tutor

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Which are four factors affecting the rate of a chemical reaction and how do these affect the rate constant of the reaction?

For a chemical reaction to occur the reactant particles must collide with each other with the correct orientation and they must also have a minimum energy necessary for the molecules to successfully react...

Answered by Anna L. • Chemistry tutor

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There are n sweets in a bag. 6 of the sweets are orange. The rest of the sweets are yellow. Hannah takes a random sweet from the bag. She eats the sweet. Hannah then takes at random another sweet from the bag. She eats the sweet. The probability that H

The answer is a proof so is best shown during the interview via the whiteboard. For reference this question was in the news a few years ago and was considered difficult for GCSE students at the time.

Answered by Kifayaat A. • Maths tutor

2570 Views

3x + 12 = 24, solve for x.

Firstly, we need to make 'x' the subject of the equation. We do this by 'moving' everything that isn't an x over to the other side of the equation. When we do this, the main thing to remember is that what...

Answered by • Maths tutor

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