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Describe the changes that occur in the long profile and cross profile of a river valley as you move downstream.

As you move downstream from the source of a river to the mouth, a number of changes occur to the long profile and cross profile; which can be displayed in a graph plotting distance downstream against elevati...
JB
Answered by Joe B. • Geography tutor
15717 Views

Differentiate f(x)= 3y^2 + ln (x) + sin x

We have derivative rules. Some of them involve:If f(x)= (x) a => f'(x)= a*x a-1 If f(x)= ln x=> f'(x)= 1/xIf f(x)= sin x=> f'(x)=cos xTherefore, f(x)= 6y+1/x+cos x
DC
Answered by Daria C. • Maths tutor
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‘Much of American Literature explores tension between social classes.’

Tension between social classes is a prevalent issue explored by authors such as Fitzgerald in The Great Gatsby and Steinbeck in The Grapes of Wrath. Whilst Steinbeck’s polemic on 1940s America highlights the...
MG
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Explain how changing pressure affects equilibrium?

If you increase the pressure the equilibrium tries to reduce it and moves to the direction of fewer gas molecules. If you decrease the pressure, the equilibrium moves to increase it and moves where there are...
SA
Answered by Samiul A. • Chemistry tutor
2622 Views

Discuss how a business may practice 3rd degree price discrimination

3rd degree price discrimination is when a firm charges different prices to different groups of consumers. This is done in order to maximise revenue by charging a higher price to consumers who are willing to ...
JW
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