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Which of these periods was the more successful for the treatment of disease and infection, Ancient Greece or the Medieval World? You must include both periods in your answer.

To successfully answer this question the student needs to describe and evaluate both periods in depth and compare their successes - defined here as the extent to which the period contributed to the advanc...

Answered by Catrin A. • History tutor

3134 Views

Translate the following passage into Spanish. "I like to go on holiday to Spain. It is always sunny and our favourite hotel has a big swimming pool. Last summer we went to Madrid and I saw a concert. I am going to study Spanish at university."

"Me gusta ir de vacaciones a España. Siempre hace sol y nuestro hotel favorito tiene una gran piscina. El verano pasado fuimos a Madrid y vi un concierto. Voy a estudiar español en la universidad.&qu...

Answered by Robert W. • Spanish tutor

5776 Views

In a sale, the original price of a bag was reduced by 1/5. The sale price of the bag is £29.40. Work out the original price.

£29.40 represents 4/5 of xThus to find x, we must multiply 29.40 by 5/4:
29.40/4 = 7.35 (this is 1/5) 7.35 x 5 = 36.75 (this is 5/5, the original price)
Original price = £36.75

Answered by Robert W. • Maths tutor

3718 Views

Show that (1 - cos(2x)) / (1 + cos(2x)) = sec^2(x) - 1

First, take the side of the equation that looks most complicated because it often needs simplifying. This is the LHS in this case. The LHS has cos(2x) twice - therefore the double angle formula probably a...

Answered by Louis G. • Maths tutor

6319 Views

Integrate 5(x + 2)/(x + 1)(x + 6) with respect to x

This term cannot be integrated in the form that it is in. We will have to do some algebraic manipulation to rewrite it. The term can be split into partial fractions because the denominator of the term has...

Answered by Lata P. • Maths tutor

3134 Views