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Solve the equation ((2x+3)/(x-4))-((2x-8)/(2x+1)) = 1 to 2 decimal places.

First, multiply by the denominators making sure to multiply on both sides of the equation and the other fraction. You should start this by multiplying through by one of the denominators and then by the other...
HC
Answered by Harry C. • Maths tutor
4215 Views

What is the definition of structural isomerism and what are the different types?

Structural Isomerism: Molecules with same molecular formula and different structural formula. Different types: Positional, chain, functional group
EA
Answered by Ellie A. • Chemistry tutor
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How are the dead presented in this anthology? Refer to two or three texts in your answer. (World War One Literature)

The dead are a central focus for war poetry and the notion of death is trivialised throughout the poems in this anthology. Poems such as 'The Soldier' by Rupert Brooke glorify the dead and display the afterl...
RD
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What preparation should I carry out for my UKCAT?

I recommend taking your UKCAT towards the end of your summer holidays in lower sixth/year 12, as this gives you ample time to prepare. The score you acheive will also help you finalise the medical schools yo...
SP
2341 Views

Vaccines have become an effective way to prevent certain diseases, however for some viruses it is difficult to develop a vaccine. Describe possible difficulties of developing a permanent vaccine for the influenza virus.

The influenza virus has a very high mutation rate. This means that its surface proteins (antigens) will change. Since a vaccine contains a specific antigen, if the virus switches to a different antigen, then...
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Answered by Nancy L. • Biology tutor
2881 Views