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The value of a car depreciates by 35% each year. At the end of 2007 it was £5460. Work out the value of the car at the end of 2006.

-This question wants us to work backwards.Let N be the value of the car in the year 2006. Find the multiplier . 1-0.35 = 0.65. Hence N * (0.65) = £5460. Rearrange for N. N = £8400
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Answered by Rithvik G. • Maths tutor
11318 Views

The second and fifth terms of a geometric series are 750 and -6 respectively. Find: (1) the common ratio; (2) the first term of the series; (3) the sum to infinity of the series

x n = ar (n-1) (1) x 2 = 750 = ar 1 (2) x 5 = -6 = ar 4 divide second equation by first-6/750 = r 3 r 3 = -0.008r= -0.2Insert into first equation.750 = a * -0.2a = -3750Sum to infinite series = a(1/(1-r))(in...
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Answered by Henry P. • Maths tutor
6658 Views

What is transcription?

Protein synthesis is the production of new proteins. This happens in two stages, transcription and translation Transcription - forming mRNA from DNA 1) The DNA section to be copied (gene) is unwound by helic...
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Answered by Rebecca H. • Biology tutor
13306 Views

When does a past participle agree with its preceding object in French?

The straightforward answer is when the normal order is swapped, and the object comes before the past participle. This means that you would say "J'ai écrit une lettre", but you would talk about &quo...
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Answered by Daire T. • French tutor
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How does Percy Bysshe Shelley explore the theme of change in 'Ozymandias'?

Described as a mocking and sneering “King of Kings”, Shelley creates an arrogant and proud persona for the titular Ozymandias. This is further emphasised by the dscription of his statue as “vast” and "C...
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Answered by Hannah R. • English tutor
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