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Discuss the effect of a carbon tax on the level of carbon emissions

A carbon tax can be implemented to address the negative externality from carbon emissions at the point of production from firms. The tax forces firms to cut their emissions as it increases their costs; th...

Answered by Evie J. Economics tutor
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Explain how the structure of glycogen makes it suitable as a cellular energy store. (3 marks)

Glycogen is a highly branched polymer of glucose that stores sugars for respiration. Its branched ends allow rapid hydrolysis and release of glucose monomers, and it is <...

Answered by Biology tutor
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How do I structure an A-level English essay?

A method that works for me is highlighting the key terms in the question and then approaching it thematically from there. Let's take the question 'Compare and contrast the presentation of marriage...

Answered by Atlantis O. English Literature tutor
3229 Views

Nadia has £5 to buy pencils and rulers. Pencils are 8p each. Rulers are 30p each. She says “I will buy 15 pencils. Then I will buy as many rulers as possible. With my change I will buy more pencils.” How many pencils and how many rulers does she buy?

  1. Read the question carefully to understand what it is asking2) Consider how to approach the question - is there more than one way of getting the answer, are there any things that could trick me out (...
Answered by Hanesh P. Maths tutor
2312 Views

In a triangle ABC, side AB=10 cm, side AC=5cm and the angle BAC=θ, measured in degrees. The area of triangle ABC is 15cm(sq). Find 2 possible values for cosθ and the exact length of BC, given that it is the longest side of the triangle.

To find cosθ, use the formula for the area of a triangle i.e. AREA=1/2 x a x b x sinC.=> For this case: 15= 1/2 x 10 x 5 x sinC to find sinC.=> SinC = 3/5 thus, Arcsin(3/5)=+- 4/5 or +-0.8
To f...

Answered by Maths tutor
21672 Views

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