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Basic Math
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Question:

2x + 6 > 4 (x + 2)

Safia M.

the easiest way to do this is to first get rid of the bracket by multiplying its contents with the coefficient 4 2x + 6 > 4*x + 4*2 2x +6 > 4x +8 the next thing to do is get all the same values together by moving them together, remembering to change from positive to negative where necessary 6 - 8 > 4x - 2x Now simplify -2 > 2x Now to solve for x we divide 2x by 2, and since we did that to one side, we have to do the same to the other -2/2 > 2x/2 Therefore -1 > x

Microeconomics
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Question:

What is the difference between an oligopoly and a monopoly?A

Safia M.

A monopoly is a firm that controls the use, production and sale of one resource (usually a necessity) for example, utility companies. There is only one firm in the market, giving it total market power and has very high barriers to entry. An oligopoly is a firm that has few sellers in the market that share market power. The key thing about oligopolies is that they ae interdependent i.e. they rely on the decisions of the other firms involved to make their decisions. This has very high competition unlike the monopoly that has none because of their lesser barriers to entry. An example of these are phone companies.

Macroeconomics
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Question:

What is macroeconomics?

Safia M.

Macroeconomics is essentially the study of the allocation of scarce resources in an economy, but focusing on the economy as an aggregate rather than on individual components.

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