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Give 2 advantages and disadvantages of carbon fibre.

Advantages:Light weightStrong in tensionCan be coloured or imprinted on easilyCan be moulded to many shapesDisadvantes:Poor strength in some directionsWill rip and shatter when brokenExpensiveJoining points ...
TM
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Factorise x^2+6x+8

Firstly, as it's highest term is x 2 , it must only have two factor brackets, so the answer has to look like (x + a) * (x + b).Then, to make 6x, we need the a and b term to be either 5 and 1, 4 and 2, or 3 a...
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Answered by Tom M. • Maths tutor
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Discuss whether taxing the manufacturers of high-sugar drinks is a justified means of tackling the impact of diabetes and other weight related illnesses

According to the neoclassical Rational Choice Theory, individuals seek to maximise their own utility. The first justification of a tax on sugary drinks is therefore based on the idea that the consumer does n...
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Answered by Alex G. • Economics tutor
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Express (x+1)/2x + (2x+3)/(x+1) as one term

(x+1) 2 + 2x(2x+3) / 2x(x+1)
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Answered by Alex R. • Maths tutor
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Detail the pathway of oxygenated water in the ventilation of a fish. Name and briefly describe the mechanism by which gaseous exchange takes place.

Oxygen rich water enters the mouth due to buccal expansion > water is accelerated across the gill filaments due to simultaneous contraction of the buccal cavity and expansion of the opercula > gaseous ...
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Answered by Owen F. • Biology tutor
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