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Rearrange the following to make 'm' the subject. 4(m - 2) = t(5m + 3)

The first step is to expand the brackets by multiplication. This can be done using the 'bird method'. This results in 4m – 8 = 5mt + 3tNow to collect all 'm' like terms of the equation on the LHS. This gives...
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Answered by Taliesin C. • Maths tutor
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How do you structure an essay?

(I would usually take an example question such as: "' Alexander II's reforms were, on the whole unsuccessful,' discuss, " and use it to explain.) So here, as with most exam essays, two main things ...
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Answered by Daniella T. • History tutor
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Describe the generation of action potentials in neurons.

When the neuron is stimulated, it causes rapid depolarisation of the cell surface membrane. This will not generate an action potential unless it is large enough to exceed the threshold potential . If it does...
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Answered by Howard R. • Biology tutor
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Why is water being a solvent important?

dilute harmful substancestransport in bloodstream and plantsfor metabolic reactions to occurseparation of substancesabsorption of ions etc.
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What is the definition of a pathogen and give two examples. (3 marks)

An organism that can cause disease - e.g. virus, bacterium, fungus
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Answered by Thomas R. • Biology tutor
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