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What does the Price Elasticity of Demand measure? How is it calculated? And why is it important?

Price Elasticity of Demand measures the responsiveness of quantity demanded by consumers after a change in price of the product. At A-Level this is measured via two points on the demand curve A and B. The...

RC
Answered by Remi C. • Economics tutor
1536 Views

How do you rearrange equations at Physics GCSE ?

Take the equation W=Fs. We want to make one thing the subject of the equation by clearing away all the stuff we don’t want on that side of the equation. Say we want to find s

Answered by • Physics tutor
7335 Views

Can you explain the importance of the refractory period within the axon?

The refractory period means that another action potential cannot be generated.This is important as it allows the action potential to not propagate back but reset via the sodium-potassium pump, to restore ...

EL
Answered by Eve L. • Biology tutor
2767 Views

Differentiate the equation 3x^4+6x^2-7x+2

To differentiate, multiply the power by the coefficient and then take one off the power so the answer is 12x3 + 12x - 7

AS
Answered by Aimee S. • Maths tutor
2479 Views

Write an equation for a line parallel to 2y = 4x - 10

Divide the equation by two to get y = 2x - 5This shows that the gradient of the line is 2. Any other equation with the gradient equal to 2 (the x coefficient) when the y coefficient is 1.e.g. y = 2x +12 <...

AS
Answered by Aimee S. • Maths tutor
3261 Views

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