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Express 300 as a product of its prime factors.

Factors of a number are: numbers that can be multiplied (by a whole number/ integer) to make the original number. For example, 6 is a factor of 42, because 6 can be multiplied by 7 to make 42. Prime numbers ...
AM
Answered by Alice M. • Maths tutor
79133 Views

How should I go about explaining how reliable a source is?

If a source is reliable, then what it tells us is likely to be accurate and very close to the truth of what actually happened. In order to determine the extent of a source's reliability, it is easier to brea...
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Answered by Alice M. • History tutor
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How do you solve quadratic and linear simultaneous equations?

For two linear simultaneous equations, two algebraic methods can be used to find solutions.The first is elimination, which is usually a lot quicker. Elimination involves subtracting one equation form the oth...
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Answered by Jack A. • Maths tutor
10352 Views

N = 2A + B. A is a two-digit square number. B is a two-digit cube number. What is the smallest possible value of N?

A is a 2-digit square number. In order to find the smallest N number we want to find the smallest possible 2-digit sqaure number. To sqaure a number means to multiply this number by itself, e.g. the square n...
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Answered by Silvia K. • Maths tutor
8508 Views

What's the difference between ser and estar?

Ser is used in reference to things that are permanent, or unchanging - eg. Soy de Inglaterra . You can't change where you're from, so you need to use ser. Estar is used to describe temporary things - eg. Est...
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Answered by Toby C. • Spanish tutor
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