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John has twin sisters. The sum of the ages of John and his twin sisters is 39. In 4 years’ time the twins will be 18. How old will John be in 4 years’ time?

With a problem like this first you must pull the necessary information out of the question. It can make it more familiar if we assign single letters to the unknowns. In this case the unknowns are, Johns a...

FW
Answered by Finlay W. Maths tutor
5617 Views

Discuss the reforms made to the judicial appointments system and how the judiciary aims to promote diversity.

The manner in which members of the judiciary are appointed was changed with the introduction of the Judicial Appointments Commission (JAC). Prior to this, the decision remained with the Lord Chancellor. T...

IN
Answered by Imaan N. Law tutor
1707 Views

Outline the process which occurs when an action potential arrives at a synapse

A synapse is a gap between two neurons and it can be thought of in 3 parts:
The presynaptic neuron - The neuron at the start of the synapse.
The synaptic cleft - The gap between the two neurons ...

ES
Answered by Eloise S. Biology tutor
5639 Views

What were the main causes of the Bolshevik success in the Russian Civil War?

White Army weaknesses:Disunited and quarrelsome (no united goal or leader)Organisation of directory (coalition) lasted 2 months : Sept-Nov 1918Kolchak unable to establish ...

MA
Answered by Martha A. History tutor
2036 Views

What is electronegativity?

It is a measure of how much a neutral atom wants an electron, metals have very low electronegativity, they almost always give electrons up, whereas non-metals usually uptake electrons, so they have a high...

MF
2358 Views

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