Croc maths question

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I am no maths genius but this does not seem to be that hard for a Higher. Unless I am not properly understanding the question!

First two questions (a i and ii) simple algebra (with x = 20 and x = 0) and the third one (b) just differentiation?

http://www.bbc.co.uk/news/uk-scotland-34476699

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Indeed. I had a student in Uni not know how to calculate percentages and a science graduate not know that gravitational acceleration was 9.81 m/s^-2!

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drgav2005 said:

ViperPict said:

Indeed. I had a student in Uni not know how to calculate percentages and a science graduate not know that gravitational acceleration was 9.81 m/s^-2!

9.81 m/s^2 or 9.81 ms^-2

...there, fixed it for you ;-)

As I said, I am no maths genius! Good to see another Dr on here though!

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albundy89 said:

34 percent is a pass mark

WTF

Exactly.

Unis are similar. A 2:1 is as common now as a 2:2 twenty years ago. And students haven't got brighter I think.

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albundy89 said:

34 percent is a pass mark

WTF

Exactly.

Unis are similar. A 2:1 is as common now as a 2:2 twenty years ago. And students haven't got brighter I think.