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((x^2+4x)/2x)-((x^2-4x)/x)

6-(x/2)
IL
Answered by Ieuan L. • Maths tutor
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Evaluate the role of buffer stock systems

A buffer stock system is typically used in a market for a commodity, such as wheat, which may be vulnerable to large changes in supply. This could be due to weather for example, and it is not uncommon for co...
TP
Answered by Tom P. • Economics tutor
4439 Views

State and explain the evidence for the delocalisation of electrons in benzene (6 marks)

Benzene does not decolourise bromine water, showing it does not undergo electrophilic addition reactions as the delocalised pi structure is very stable. All of the carbon-carbon bond lengths are the same; th...
RA
Answered by Romi A. • Chemistry tutor
4650 Views

How did Stresemann help the Germany economy in the 1920s?

Gustav Stresemann was both Chancellor and Foreign Minister of Germany during the Weimar period in German history, a very economically unstable time. Germany was struggling to pay the reparations ordered by t...
TM
Answered by Taqiyah M. • History tutor
25468 Views

What is the difference between deontological ethics and teleological ethics?

Imagine that a man with an axe breaks into my home, where 5 of my family members are. Deontological ethics is duty based (this is easy to remember because of the D for deontological and duty). They would say...
YM
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