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Explain how El Niño cycles can lead to drought. (5 marks)

El Niño cycles occur periodically, on average every 3- 7 years in the Pacific Ocean. Normally -descending air over the Eastern Pacific gives dry conditions that create the Atacama desert, whilst Western Paci...
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Answered by Emily D. • Geography tutor
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Compress the following bit pattern using RLE (Run Length Encoding). 1111 0011 1100 0000

The answer is as follows: (4,1) (2,0) (4,1) (6,0)
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Answered by Daniel C. • Computing tutor
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A linear sequence is as follows: a+b, a+3b, a+5b .... The 2nd term is equal to 15. The 6th term is 47. What is the value of a? What is the value of b? Show your working.

a+3b = 15, a+11b=47 , use simultaneous equations to get 8b = 32 therefore b=4 and a=3.
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Answered by Liam R. • Maths tutor
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What factors influence development?

Development means countries changing and becoming more advanced. PHYSICAL FACTORS INFLUENCING DEVELOPMENT Climate -countries with unstable climates struggle to develop e.g. countries in the Sahel prone to dr...
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Answered by Luegi L. • Geography tutor
3094 Views

Solve the following simultaneous equations: 2y = 8x + 6 // x = 3y + 7

First we must try to write y as a function of x, in this case it means halving the first equation so that we find that y = 4x + 3. Once we have dicovereved this. We can now write the y in our second equation...
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Answered by Andrew H. • Maths tutor
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