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Answering Oxbridge medical questions: water regulation by the kidneys

Oxbridge medical questions look for 'how you think' rather than knowledge above A-level standard. For a particular topic, they may start on A-level material to warm you up, and then ask follow-up questions t...
MA
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Use logarithms to solve the equation 3^(2x+1) = 4^100

We have 3^(2x+1) = 4^100 => log(3^(2x+1)) = log(4^100) => (2x+1)log(3) = 100log(4)
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Answered by Ian C. • Maths tutor
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There are 3 red beads and 1 blue bead in a jar. A bead is taken at random from the jar. what is the probability that the bead is blue?

1/4
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Answered by Daniel M. • Maths tutor
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Give an example of a transverse and longitudinal wave.

Transverse wave - electromagnetic wave, waves on a string Longitudinal wave - sound wave, seismic P-waves
DM
Answered by Daniel M. • Physics tutor
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Give an idea how sea defences could help to protect coastlines?

Briefly outline a few different sea defences, including, but not limited to, sea walls, groynes and boulder barriers. They can protect the base of cliffs from erosion as well as prevent coastal flooding. Gro...
DM
Answered by Daniel M. • Geography tutor
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