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How and when do you use the subjunctive?

You use the subjunctive in Italian when you are uncertain about what you are asking or saying, as the subjunctive means (may/might) when used by itself. You also use it when you hope or wish something, as th...
HD
Answered by Harry D. • Italian tutor
2160 Views

Why can firms in a perfectly competitive market only achieve normal profits in the long run?

Normal profit is the minimum level of profit required to maintain a firm's factors of production in their present use. It is measured by the opportunity cost of using them. Supernormal profit is any addition...
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Answered by William E. • Economics tutor
3268 Views

Analysing IR spectrum.

IR looks at how infrared light interacts with a molecule, measuring the vibration of atoms. Bonds are continuously vibrating and moving around, much like two balls connected by a spring. This spring system i...
LW
Answered by Lucy W. • Chemistry tutor
2793 Views

What is integration?

Integration can be viewed in many ways. The most common way to interpret an integral is to take the area under the curve you would like to integrate. For example Draw y=x, limit between 0 and 1, shade in the...
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Answered by Mikhail S. • Maths tutor
3560 Views

The price of tea in the UK increased from £7.20 per kilo to £8.48 per kilo. Over the same period the quantity of tea purchased fell from 97 million kilos to 76 million kilos. Calculate the price elasticity of demand for tea.

Price elasticity of demand = change in demand / change in price change in price = 7.20 --> 8.48 = 17.78% increasechange in demand = 97 million --> 76 million kilos = 21.6% decrease therefore PED = -21....
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Answered by William H. • Economics tutor
3320 Views