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What is a parliamentary select committee?

A select committee is composed of a number of MPs from across the parties in Parliament, represented in proportion to how many seats they have. They typically question witnesses (often properly grilling them...
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Explain how the energy companies have exploited their market power.

Start by outlining the type of environment in which energy companies operate in the UK. 1. The market structure is an oligoly. Each firm has a certain amount of market power it is able to exploit. Collusion ...
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Answered by Samuel H. • Economics tutor
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What is the tertiary structure of a protein?

The tertiary structure of a protein is the final folding of a protein into its final shape. It involves interactions between the R-groups of the amino-acids in the polypeptide chain. These interactions are m...
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Answered by Shiv S. • Biology tutor
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Explain the potential impacts on the global economy of sustained trade imbalances (25 marks)

(1) Point: Less global trade Example: US had a trade deficit of $460bn in 2017 meaning more imports than exports, leads to protectionism (such as 35% tariff on Chinese tyres in 2010). Analysis: Reduces trade...
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Answered by Ben G. • Economics tutor
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Differentiate y=e^(x)*sin(x) with respect to x

y=e^(x)*sin(x) Use the product rule: y'=uv'+vu' y=u*v Differentiate: u=e^(x) u'=e^(x) v=sin(x) v'=cos(x) Sub into the product rule: y'=e^(x)*cos(x)+e^(x)*sin(x) Take out a factor of e^(x): y'=e^(x)*(cos(x)+s...
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Answered by Alexander J. • Maths tutor
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