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Over a year, the number of rabbits in a field increases by 25% and then by a further 30%. Originally there were 200 rabbits in the field how many were there at the end?

Originally the number of rabbits was 200. We therefore need to find 25% of 200 and then increase the value of 200 by the 25%, we will then know how many rabbits there are after the 25% increase. 25/100 x 200...
AE
Answered by Alba E. • Maths tutor
3579 Views

What is diffusion? Provide an example of this process in a biological system.

Diffusion refers to the process where particles (molecules and ions) move from an area of high concentration to an area of lower concentration . I would draw a diagram of the process and make it clear that p...
EH
Answered by Elizabeth H. • Biology tutor
3358 Views

Find the area under the graph between x=0 and x=2 when f(x)=x^2 +2, give your answer as an exact value.

First of all we need to find the integral of our function which is f(x). Since we are integrating with respect to x and our values are in the form of x we can use the rule of raising the power for each x ter...
TM
Answered by Toby M. • Maths tutor
3703 Views

Jake has a piece of string that is 126cm long. He cuts the string into 3 lengths with the ratio 4:3:2 . How long is each piece of string?

First, we need to work out the length of each 'part' of string. We are told Jake cuts the string into the ratio 4:3:2 , so there are (4+3+2=9) 9 parts in total. To work out how long each part is, we calculat...
LM
Answered by Lili M. • Maths tutor
4874 Views

What is the equation of a straight line? Describe what all the terms within the equation do.

The equation of a straight line is: y = mx + c There is a 'y term', y, and an 'x term', x. The gradient of the line, m, is the slope of the straight line. The larger the value of m, the steeper the slope. Th...
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Answered by Nick S. • Maths tutor
4427 Views