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A ladder 6.8m long is leaning against a wall, the foot of the ladder is 1.5m from the wall, find the height that the ladder reaches up the wall.

Pythagorus' Theorem: A 2 + B 2 = C 2 Therefore... 1.5 2 + B 2 = 6.8 2 = 2.25 + B 2 = 46.24 B 2 = 46.24 - 2.25 = 43.99 SqR of 43.99 = 6.63m [The height the ladder reaches up the wall].
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Answered by Tom G. • Maths tutor
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How do I structure my essay?

To the question of how to answer an essay when presented with a bewildering, complicated question, I would always advise arranging all ideas on a piece of paper, not particularly in order, just so everything...
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Explain reasons why a firm would want to merge with another firm in the same industry.

One reason is that the firm can gain from asset stripping economies of scale. An example of this is the merger of the two telecommunication firms T-Mobile and Orange in 2010. These firms can gain by selling ...
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Answered by Tom G. • Economics tutor
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What do you understand by simple harmonic motion?

Is the motion of a mass on a spring when it is subject to the linear elastic restoring force given by Hooke's Law. The motion is sinusoidal in time and demonstrates a single resonant frequency. There are dif...
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Answered by Aitor T. • Physics tutor
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integrate x^2 + ln(x)

x^3/3 + 1/x
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Answered by Beth M. • Maths tutor
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