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Explain what could cause the pound sterling to appreciate.

An appreciation causes a currency to become worth more against other currencies. Using a whiteboard - draw a diagram of a supply/demand exchange rate curves, showing that demand needs to increase and/or supp...
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Answered by Rachel W. • Economics tutor
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Explore the significance of Elizabeth's speech and thought in Frankenstein.

Elizabeth is introduced within the novel as a “pretty present”, which in itself is objectifying her through the use of the concrete noun known for its possessive aspects. Due to this, Victor describes how he...
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Answered by Katherine N. • English tutor
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Solve the equation (x+2)/(x-3)=(x-6)/(x+1) for x.

We need to multiply both sides by the denominator (the bottom of the fraction) in both fractions so we get:(x+2)(x-3)(x+1)/(x-3)=(x-6)(x-3)(x+1)/(x+1)Now, we can see that we can cancel each fraction to get t...
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Answered by Tom H. • Maths tutor
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What is the difference between mRNA and pre-mRNA in a eukaryotic cell?

The major difference between pre-mRNA and mRNA is that pre-mRNA is the immediate product of transcription which is comprised of both exons (coding sequences) and introns (non-coding sequences). After transcr...
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Answered by Matt Y. • Biology tutor
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Consider the infinite series S=Σ(from n=0 to infinite) u(down n) where u(down n)=lim (from n π to (n+1) π) ((sin t)/t) dt. Explain why the series is alternating.

For the first part of the question we need to try and understand what is actually happening – we have the sum of an integral – where we are summing a sequence of definite integrals. So when n = 0 we have the...
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Answered by Stuart D. • Maths tutor
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