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What is the difference between a metal and a transition metal?

Metals are the largest category of elements and they are characterized by their appearance: usually they possess a silvery shine, they are solid (except for mercury), they are malleable and they conduct elec...
RS
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What is the size of the interior angle of a regular 12-sided polygon?

The interior angle of a regular shape is the angle found on the inside of the shape at each of its corners. A twelve-sided regular polygon is too complex to remember its geometric rules so we must divide it ...
SW
Answered by Sam W. • Maths tutor
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Translate the following excerpt from an art textbook (2)

Il vero nome di Caravaggio era Michelangelo Merisi. The real name of Caravaggio was Michelangelo Merisi. Nella storia dell’arte, gli artisti piú grandi sono conosciuti soltanto con il loro nome di battesimo....
RS
Answered by Riccardo S. • Italian tutor
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What is the y-coordinate minimum point of y = 3x^2 + x - 4

if y=3x^2 + x -4 then dy/dx = 6x + 1 setting this equal to zero gives 6x + 1 = 0 so then x = -1/6 putting this x value back into the original equation gives y = -49/12
MW
Answered by Mike W. • Maths tutor
4102 Views

What is the best way to make use of the time given in an exam?

Exams can often be quite daunting, and because English requires you to write essays rather than the shorter answers that are typical of other subjects, it's easy to see how you may open your paper and get th...
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Answered by Ellie B. • English tutor
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