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Evaluate the extent to which the process of selecting presidential candidates is deeply flawed

The primary process is criticised for being undemocratic due to the amount of power elites have in it. Staggered primaries are also criticised as they over exaggerates the importance of unrepresentative stat...
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Answered by Alicia B. • Politics tutor
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¿Qué te gusta hacer en tu tiempo libre?

This question is to help with the speaking exam for GCSE. It is a very common question asked by examiners as it allows the student to show off vocabulary that they have learnt and allows different tenses to ...
Answered by • Spanish tutor
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A circle has equation: (x - 2)^2 + (y - 2)^2 = 16. It intersects the y-axis (y > 0) at point P and the x-axis (x < 0) at point Q. Find the equation of the line connecting P and Q and of the line perpendicular to PQ passing through the circle's centre.

(x - 2) 2 + (y - 2) 2 = 16 x = 0 --&gt; 4 + (y - 2) 2 = 16 --&gt; y - 2 = ±2sqrt{2} --&gt; y = 2 ± 2sqrt{2} --&gt; P(0,2 + 2sqrt{2})y = 0 --&gt; (x - 2) 2 + 4 = 16 --&gt; x - 2 = ±2sqrt{2} --&gt; x = 2 ± 2sq...
Answered by • Maths tutor
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Using the factor theorem, factorise x^4 - 3x^3 - 3x^2 + 11x - 6

Well the question states that it wants you to use the factor theorem so it would be a good idea to write down the factor theorem to remind ourselves.&quot;A polynomial f(x) has a factor (x - a) if and only i...
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Answered by Kester G. • Maths tutor
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(a) Explain what is meant by monopoly and, using a diagram, explain why a monopoly may have lower average costs of production than a firm in perfect competition. [10]

· Definition and examples of different types of monopoly.I.e. pure, natural, and local monopolies.High barriers to entry&amp;exit / price-makers.· Definition of perfect competition.Many buyers and sellers / ...
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Answered by Ethan S. • Economics tutor
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