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Evaluate how plate tectonics theory helps our understanding of the distribution of seismic and volcanic events.

This is a 40 mark question so roughly an hour should be spent on it. I won't fully develop an answer here but would help a student through it in the following stages.Advice; with these essay writing is key, ...
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Answered by Robert L. • Geography tutor
9148 Views

differentiate x^3(1+x)^5 with respect for x

First we have to use the product rule, remember that if we have h(x)=f(x)g(x) then h'(x)=f'(x)g(x)+f(x)g'(x).So h'(x) = x^3D[(x+1)^5]+(x+1)^5D[x^3]Completing the unfinished derivatives,h'(x) = x^3[5(x+1)^4]+...
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Answered by Robert L. • Maths tutor
4849 Views

How much work experience do I need?

It's not the amount of work experience that matters, it is what you get out of it . Getting medical work experience is difficult so every little helps, but if you only manage a few days in a GP surgery, or e...
GC
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solve z^4=2(1+isqrt(3)) giving roots in form r(cos(theta)+isin(theta))

Sorry but it's a little hard to write the question out! I have the working on paper but I can't upload it. Ok so first you need to multiply out the brackets to make it a little easeier to look at and obtain ...
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Answered by Robert L. • Maths tutor
6798 Views

¿Cuándo se utiliza el pretérito perfecto, el imperfecto y el pretérito? = When do you use the perfect, the imperfect and the indicative past?

Firstly, let's start with the 'imperfecto' tense as it's the easiest to differentiate. The endings for this tense are as follows: For regular verbs ending -AR in the infinitive (that is the 'to ...', e.g. to...
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Answered by Alya M. • Spanish tutor
6014 Views