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The equation of the line L1 is y = 3x – 2 The equation of the line L2 is 3y – 9x + 5 = 0 Show that these two lines are parallel.

In this question, you are being asked to show L1 and L2 are parallel. The equations of two parallel lines will have the same gradient. This is the number in front of the x term in the equation, but to compar...
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Answered by Abigail W. • Maths tutor
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Discuss the evolutionary order of appearance of the mitochondrion, chloroplast and ribosome, explaining your reasoning

By considering which organisms have each of the referred organelles, we can infer their evolutionary order of appearance.Ribosomes are present in every living cells, whereas mitochondria and chloroplasts are...
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Answered by Maria P. • Biology tutor
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What is the Cosmological argument?

The cosmological argument is effectively an argument that states the very existence of the universe is strong evidence for the existence of God. This argument is 'a posteriori' (meaning that it is an argumen...
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How far do you agree that the limited appeal of Mazzini’s ideas was the main reason for the slow progress of national unity in Italy in the years 1830-49?

Despite his desire to see a nation state built by “the people”, Mazzini failed to attract the support necessary for the movement to grow due the inaccessibility of his ideas and thus slowed the progress that...
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Answered by Tallulah A. • History tutor
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log3 (9y + b) – log3 (2y – b) = 2, Find y in terms of b.

Use laws of logarithms to simplify.Log 3 ((9y+b)/(2y-b)) = 2(9y+b)/(2y-b) = 3 2 (9y+b) = 9(2y-b)9y+b = 18y-9bCollect terms.9y = 10by = 10b/9
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Answered by Roy A. • Maths tutor
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