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work out 20% of 14000

First work out 10% of 14000.You do this by dividing 14000 by 10 as this will than be a 10th of 14000 and therefore 10%14000 divided by 10 = 1400as the question asks for 20% you will need to add another 10...

Answered by Maths tutor
9519 Views

Ball P is shot at 18m/s horizontally from the top of a 32m mast. Ball Q is shot at 30m/s at an angle 'a' to the horizontal from the bottom of the mast. They collide mid-air. Prove that cos'a' = 3/5

Consider the positions of each ball as a function of time. Distance (position) is equal to velocity times time. We want 'cos' in the answer, so we'll work with the x axis. For ball P, the position is equa...

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Answered by Andrew F. Maths tutor
2989 Views

Describe one feature of a divergent plate boundary. (6 marks)

A divergent plate boundary occurs when two plates move away from each other. Rift valleys can form at slow-spreading boundaries as the mid-ocean ridge which builds up on the boundary through solidified ma...

Answered by Geography tutor
5236 Views

How should I answer an exam essay question?

When it comes to writing your essay, there are a few steps which you can follow to produce a clear and well-thought out answer. Before you begin, read carefully through the three options in the exam paper...

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Answered by Isabella G. French tutor
2010 Views

Describe the Multistore Model of Memory. (8 marks)

The MSM is a cognitive model of memory created by Atkinson and Shiffrin which presents memory as a linear arrangement of unitary stores. The first store is the sensory register which collects all informat...

Answered by Psychology tutor
9102 Views

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