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Jules buys a washing machine. 20% VAT is added to the price of the washing machine. Jules then has to pay a total of £600 What is the price of the washing machine with no VAT added?

In this question we will label the washing machine as x. In order to answer this question we need to understand that the final price of the washing machine (£600) is the price of the machine without VAT (100...
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Answered by Ophelia M. • Maths tutor
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What do different cases used in temporal clauses mean?

In Latin, the accusative case is used for describing how long an action took. For example: 'poeta multos annos errabat' (The poet wandered for many years ) The ablative case can describe the point in time at...
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Answered by Luke D. • Latin tutor
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How is mRNA produced in the nucleus of a cell

Helicase breaks hydrogen bonds between the 2 DNA strands to separate them1 DNA strand acts as template (the sense strand)Free RNA nucleotides then attach to exposed complementary bases on the sense strand by...
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Answered by Ka L. • Biology tutor
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Find the derivative of f(x)=exp((tanx)^(1/2))

We use the chain rule. Let u(x)=exp(x), v(x)=x 1/2 , w(x) = tan(x). Then f(x) = u(v(w(x))). So by the chain rule, f'(x) = u'(v(w(x)))*(v(w(x)))'. u'(x) = exp(x). By the chain rule, (v(w(x)))' = v'(w(x)) w'(x...
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Answered by Luke D. • Maths tutor
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How are proteins synthesised?

Proteins are coded for by genes (a sequence of DNA that codes for a specific polypeptide), in the nucleus the DNA is unwound by an enzyme and then another enzyme with copy the template strand to make a molec...
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Answered by Billy R. • Biology tutor
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