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The line PQ is the diameter of a circle, where points P and Q have the coordinates (4,7) and (-8,3) respectively. Find the equation of the circle.

Start by using the formula d = sqrt((x 2 -x 1 ) 2 +(y 2 -y 1 ) 2 )Therefore, substituting in our coordinates from P and Q:Length PQ = sqrt((-8-4) 2 +(3-7) 2 )= sqrt((-12) 2 +(-4) 2 )= sqrt(160)= sqrt(16) x s...
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Answered by Matt C. Maths tutor
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What is the best way to get marks for artist research?

Give each artist a double page spread in your sketchbook. Note down key characteristics of their work and the process of how they make it, it helps to decorate the page in the style of the artist and stickin...
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Answered by Erin H. Art tutor
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What is cancer?

Cancer is a disease that occurs when cells get random changes in their genes, leading to them no longer being able to control how they grow and divide. This means the cancer cells grow and divide a lot quick...
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Answered by Erin H. Biology tutor
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How do I show empathy in interview questions?

Firstly, you need to put yourself in the shoes of the person in the question. How would you feel in their situation? How would you want someone to treat you if that were you? Don't dismiss their problem as i...
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What are the main features of the sonetto petrarchesco?

The poetic genre of the sonnet has been used since the Middle Ages by various authors such as Dante Alighieri and the Sicilian Jacopo da Lentini, but it was the Florentine poet Francesco Petrarca who in the ...
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Answered by Elena S. Italian tutor
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