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Simplify 125^-2/3

125^-2/3= 1/125^2/3=1/(cube root(125))^2=1/5^2=1/25

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The circle C has centre (3, 1) and passes through the point P(8, 3). (a) Find an equation for C. (b) Find an equation for the tangent to C at P, giving your answer in the form ax + by + c = 0 , where a, b and c are integers.

A)1) Draw a diagram of the circle displaying the centre and perimeter points along with their respective co-ordinates.2) Write down the equation for a circle labelling the centre and perimeter points. 3) ...

Answered by Patrick V. • Maths tutor

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What are the first steps to write a successful short essay on a work of the syllabus? [A-level French Literature]

The A-level french examination usually contains a section where Cinematographic or Literary works are engaged with, over the course of one or two years, culminating in a final essay question on one of the...

Answered by Mathieu H. • French tutor

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Outline two ways in which the organisation of schooling may be ethnocentric (4 marks)

Holidays in school reflect Christian festivals (such as Christmas and Easter) rather than other faiths (Eid, Hannukah)
2) languages - school curriculum offer European languages devaluing langua...

Answered by Sanah R. • Sociology tutor

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Explain why a genetic fingerprint is unique to every individual

The genetic fingerprint is differentiated based on the differing lengths of short tandem repeats (STRs) between genes. Everyone has different lengths of STRs so when their DNA is hydrolysed by restriction...

Answered by Solomon B. • Biology tutor

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