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Particularly in an exam, breaking down the question helps us to understand what the examiners are looking for. We can then structure our answer in accordance. For example, in this question, there are vari...
An infinitive is the basic form of a verb, meaning 'to...' (for example 'to eat' or 'to dance'). In English, infinitives are two words long, whereas in French they are just one word, ending in 'er...
This question can be solved by many methods but the elimination method is the fastest one in this case. The unknown that will be eliminated is y. Equation 1 is multiplied by 2 to give 4x+6y=8. Since I ha...
Expand brackets on both sides: 4m − 8 = 5mt + 3t
Collect all terms containing 'm' to one side of the equation: 4m − 5mt = 8 + 3t
Factorise the terms containing 'm': m (4 − 5t) = 8 + 3t
Hydrogenation is used to add hydrogens to the vegetable oil molecules. This process gets rid of the double bonds in the molecular structure, making the molecules saturated, which lowers the melting point ...
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