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If a car is travelling for 30 minutes at 40 miles per hour, how far will it travel in this time?

20 miles
LW
Answered by Lily W. • Biology tutor
4887 Views

Describe the purpose of the moderator in a nuclear fission reactor.

The moderator material is generally graphite or water. These materials do not absorb or react with the neutrons, they simply act to slow down fast moving neutrons. If neutrons are moving too quickly they are...
SK
Answered by Samar K. • Physics tutor
10022 Views

There are 11 pens in a box, 8 are black, 3 are red. Two pens are taken out at random without replacement. What is the probability the pens are the same colour?

For the pens to be the same colour either two black pens need to be selected OR two red pens. So start with the probability of two black pens BB: On the first selection the probability of taking a black pen ...
GI
Answered by Georgia I. • Maths tutor
6905 Views

b)You are given g(x) = ax + b; You are also given that g(0) = 4 and g(1) = - 6; Find the value of a and the value of b

(Question on topic of algebra taken from June 2016 OCR Past Paper)b) This question may look different to the previous one but it's still only algebra, so it;s pretty much the same. Don't let the unknows scar...
SR
Answered by Stefania R. • Maths tutor
4716 Views

a)Rearrange the folowing to make m the subject; 4(m-2) = t(5m+3)

(Question on topic of algebra taken from June 2016 OCR Past Paper)a) This question LOOKS like algerba and IS 100% algebra. We have 2 unknows that we treat just like we treat any number and we have to make m ...
SR
Answered by Stefania R. • Maths tutor
4623 Views