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Explain using a diagram why when people have medical insurance the PED for medical treatment is likely to be very low whilst the YED is likely to be high

The price elasticity of demand, which measures the sensitivity of demand when price changes, for medical treatment is often low when people have medical insurance since the insurance company will cover most ...
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Answered by Timothy W. • Economics tutor
4815 Views

What is Pythagoras' Theorem and how is it used in exam questions?

Pythagoras' Theorem is an equation used to give us more information about right angled triangles. The theorem itself looks like this: a 2 +b 2 =c 2 where c = the hypotenuse (the longest side of the triangle,...
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Answered by Tutor96690 D. • Maths tutor
3660 Views

Explain what is meant by the term 'buffer solution' and give an example of a biological buffer system.

A buffer solution is a solution which resists changes in pH when small quantities of acid or alkali are added to it. An example of a biological buffer system would be the bicarbonate buffer system (regulates...
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Answered by Ruby B. • Chemistry tutor
7401 Views

What did Freud mean when talking about the 'Unconscious Mind'?

Freud was a psychodynamic psychologist who developed the theory of the unconscious mind. As humans, it is believed that we only have access to a maximum of 10% of our brains and the other 90% is inaccessible...
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Answered by Molly S. • Psychology tutor
7267 Views

Solve the simultaneous equation 2x-4y=8 and 3x+3y=-15

Set 2x-4y=8 as equation 1, and 3x+3y=-15 as equation 2. Multiply equation 1 by 3 and equation 2 by 4 so they look like 6x-12y=24 and 12x+12y=-60. Now add the two equations and you get 18x=-36 or x=-2. Substi...
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Answered by Daniel L. • Maths tutor
4398 Views