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Shampoo is sold in two sizes. 1) 500 ml for £1.98 2) 3 litres for £12.80 (now 15% off). Which is better value for money?

Firstly we need to work out the new price of the 3 litres of shampoo after 15% has been taken off. Let's use the three step method for percentages. 100% is £12.80 £12.80/ 100= £0.128 1% is £0.128 £0.128 x 85...
FN
Answered by Francesca N. • Maths tutor
4999 Views

find the integral of f'(x)=2x+5

f'(x)=2x+5 note that f'(x)=nx n-1 so 2x is originally x 2 as this is 2x 2-1 and 5 is originally 5x 1-1 f(x)= x 2 +5x+c the c is a constant which means it's any real number without an x to it as 0 is ...
ZS
Answered by Zivanayi S. • Maths tutor
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Originally there was only one species of finch (bird) in the Galapagos Islands. However there are now 14 different species of finch in the Galapagos Islands. Suggest an explanation for the development of the 14 different species.

The populations of finches became separated geographically (on different islands). Then genetic variation developed in these isolated communities. Natural selection acted differently in these isolated commun...
FN
Answered by Francesca N. • Biology tutor
4200 Views

Describe uno de los protagonistas del libro o de la película que has estudiado y explica su papel en el desarrollo de uno de los temas de la obra.

La película “Mar Adentro” trata del tema polémico de la eutanasia. El protagonista, Ramón Sampedro tiene como único deseo terminar su vida. Evidentemente, su papel en el desarrollo del tema de la eutanasia e...
BP
Answered by Bea P. • Spanish tutor
2339 Views

Examine the relative importance of both short- and long-term factors in the outbreak of the First World War.

To best answer this question in an exam-style setting I would opt for a thematic approach. By firstly examining the entangled web of alliances that emerged in Europe at the end of the 19th Century, one can b...
JV
Answered by Joshua V. • History tutor
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