Search our library of homework questions

Top answers

All subjects

All levels

Why is the derivative of ln(x) equal to 1/x.

This fact can be deduced several ways, and I would encourage tutees to find other methods, (such as using implicit differentiation, or the chain rule.) However one of the simplest explanations is given be...

Answered by Christopher V. • Maths tutor

6576 Views

With the help of a diagram, explain why a trade-off between price stability and low unemployment might occur. (9 marks)

The objective of price stability is to maintain a sustainable level of inflation, with the target being 2% for the UK government. A low level of unemployment can be defined as a low number of economic age...

Answered by • Economics tutor

10095 Views

There are 40 counters in a bag. 13 are red, 20% are green and the rest are yellow. What proportion of counters are yellow?

20% green counters - means 1/5 of all counters are green. 1/5 of 40 = 40/5 = 8 counters are greenthe number of counters that are green + the number of counters that are red = 8 + 13 = 21the number of coun...

Answered by • Maths tutor

3095 Views

Explain how the theme of social responsibility is presented in J.B. Priestley's 'Inspector Calls'

The theme of social responsibility is deeply embedded within Priestley's 1945 play which is set in 1902. Priestley uses the figure of the Inspector as a symbol of moral responsibility as he advocates the ...

Answered by Ashvarya M. • English Literature tutor

12092 Views

Describe thermal conduction

Thermal conduction is one of three types of heat transfer. It occurs when 2 objects are in contact and have a difference in temperature. The kinetic energy is passed on from the warmer object to the coole...

Answered by Lakshan T. • Physics tutor

1889 Views