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First, know the log rule: log(x) - log(y) = log(x/y)Second, know the log rule: log(a) + log(b) = log(ab)So, starting with the brackets: log(40) -log(20) = log(40/20) which is log(2).Now we have: log(2...
Firstly, note that the reaction is complete burning. This means there is no carbon monoxide produce, only carbon dioxide.Secondly, we should know that all simple combusti...
First we can try and factorise the expression:So we want to find 2 numbers that multiply to 6 and add to -5... after some thinking we get -2 and -3. The factorised expression is y=(x-2)(x...
There are four cases in German:NominativeAccusativeDativeGenitiveNominate case defines the the subject in a sentence. The subject is the thing or person that does the action.E.g. The post...
1.Introduction- set out 'big ideas' and your argument which then should be evident as the essay progresses. Shouldn't be too wordy, short concise and clear. 2.Paragraph O...
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