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Find a quarter of the area of a circle with a diameter of 10cm.

To find a part of the area we need the whole area first. Find the formula for the area of a circle: A= pi x r 2 We have been given the diameter so we need to work out what the radius is, half of the diameter...
JS
Answered by Joseph S. • Maths tutor
5643 Views

the first four terms in a sequence are 2, 6, 10, 14. what is the nth term? and what is the sum to n terms of the sequence?

the nth term formula is the sum of the first term (a) and the second to last term (n-1) * the common difference (d). so a + (n-1)d where a = 2 and d = 4 in this case is 2 + (n-1) 4 = 4n - 2. the sum to n ter...
JL
Answered by Jake L. • Maths tutor
18639 Views

To what extent were the failures of the League of Nations the main cause for the outbreak of the Second World War?

Failures of the L.o.N: Poor conduct in dealing with the Manchurian Crisis and the Abyssinian Crisis - exposed weaknesses in the power of the League and demonstrated the biased power structure, with Britain a...
EH
Answered by Ethan H. • History tutor
3340 Views

What is the difference between 'wenn' and 'wann'?

'Wann' is a question word and can only be used to start questions beginning with ' when ' or in indirect questions . For example, in the question ' Wann hast du Geburtstag?' (When is your birthday?) or the i...
AW
Answered by Anna W. • German tutor
7535 Views

When listening to a extract of music, what features should we be looking out for?

I would suggest always working out what the time signature is (how many beats in a bar), whether the music is slow or fast, what style the music is in and the general dynamics in the extract. I would then th...
IJ
Answered by Izzy J. • Music tutor
4892 Views