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Establish the areas of each of the five faces of the aquarium in terms of x and y, and then sum to obtain a function of the cost in x and y. Then identify that the volume also gives a function in x and y....

The most important feature in an A level economics essay is evaluation. This is a common mistake amongst many A level students- an economics essay should not simply be a regurgitated knowledge but rather ...

Statistical infrequency can be used to define abnormality, it involves an individual not fitting into the normal distribution of society so they are regarded as abnormal. There is, however, a problem with...

Action potentials are the way in which information is conveyed along the length of a nerve cell and between nerve cells. At rest, the nerve cells membrane potential is around -70mV. During an action poten...

m=3

y1=1

x1=2

y-y1=m(x-x1)

y-1=3(x-2)

y-1=3x-6

y=3x-5

at the x-axis, y=0. 

Sub in to find the x co-ordinate:

0=3x-5

x=5/3. Hence the c...