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Factorise x^2+6x+8

Firstly, as it's highest term is x2, 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 a...

TM
Answered by Tom M. Maths tutor
13969 Views

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 doe...

AG
Answered by Alex G. Economics tutor
1556 Views

Express (x+1)/2x + (2x+3)/(x+1) as one term

(x+1)2 + 2x(2x+3) / 2x(x+1)

AR
Answered by Alex R. Maths tutor
3608 Views

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 mouthdue to buccal expansion > water is accelerated across the gill filamentsdue to simultaneous contraction of the buccal cavity and expa...

OF
Answered by Owen F. Biology tutor
2686 Views

Using knowledge of the pathogenicity of HIV, explain why it can't be transmitted through inanimate objects or hand shakes with an infected person.

HIV is a virus and therefore obligately intracelluar, with a very short survival time outside of its host.

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Answered by Owen F. Biology tutor
2162 Views

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