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how would you expand quadratic factors

Using the crab method draw lines from each term in the first bracket to the terms in the next bracket only once ensuring the lines do not crossover. A crab like claw should appear, add terms of the same powe...
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Answered by Ricken P. • Maths tutor
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Explain the process of synaptic transmission.

The arrival of an action potential at the presynaptic neurone causes voltage gated Ca2+ channels to open, allowing Ca2+ to diffuse into the synaptic knob. The increased intracellular Ca2+ concentration in th...
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Answered by Sophia M. • Biology tutor
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y is inversely proportional to d2 when d = 10, y = 4 d is directly proportional to x2 when x = 2, d = 24 Find a formula for y in terms of x. Give your answer in its simplest form.

y=k/d 2 substituting:4=k/10 2 4=k/100 400=k d=nx 2 substituting:24=n x 2 2 24=4n n=6 Eq1:y=400/d 2 Eq2:d=6x 2 y=400/(6x 2 ) y=400/36x 4 y=200/13x 4
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Answered by Abi I. • Maths tutor
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Discuss how far sociologists agree that the main function of the education system is to serve the needs of the economy. (12 marks)

The first paragraph focuses on the theme of role allocation in a specialised economy: School is known to select and sift people for different levels of jobs meaning it's a major method of role allocating. Th...
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Answered by Abi I. • Sociology tutor
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Discuss measures to reduce an imbalance in the current account?

One way a government might try and reduce an imbalance in the current account is by using contractionary fiscal policy· Reducing government spending and increasing taxes· By reducing government spending, you...
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Answered by Dilan A. • Economics tutor
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