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Make d the subject of the formula: 3d + dxy = 4

d (3 + xy) = 4 d = 4/(3 + xy)
Answered by • Maths tutor
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Using your knowledge of natural selection and speciation, suggest how new species can evolve from the same common ancestor.

Speciation requires reproductive isolation. This is where the members of different populations are unable to interbreed to produce fertile offspring.Reproductive isolation could have been caused by a physica...
Answered by • Biology tutor
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How should I approach an unseen poetry question in AQA English Literature GCSE?

For the first question: "In ‘Poem ABC’, how does the poet present XYZ?"The key word in this question is 'how' - this means you should focus on the methods the poet uses. Read the poem through and t...
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Answered by Miriam L. • English tutor
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Explore the symbol of hands in one or more of Charles Dickens's novels

Hands are symbolically loaded. Charles R. Forker asserts that Dickens ‘knew instinctively that next to voice and face an actor’s hands are his most useful possession - that in fiction as in the theatre, gest...
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Answered by Esther B. • English tutor
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'Methinks I see these things with parted eye, when everything seems double'. To what extent does Hermia's statement at the end of Act 4 capture Shakespeare's intentions in 'A Midsummer Night's Dream'?

From the very beginning of 'A Midsummer Night's Dream' Shakespeare plunges his audience into a 'rare visions' of the intoxicating 'purple wound' of love and the fragments of confusion that ensue from it. Sha...
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Answered by Esther B. • English tutor
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