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Describe how tariff could reduce imports.

A tariff is a tax imposed on imports or exports. Tax is an expense and hence increase the price of the goods and services. As price increases, demand decreases. Consequently, suppliers are discouraged from i...
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Answered by Aminath H. Economics tutor
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How do I write a really good History essay?

It can seem pretty daunting when you sit down to write a History essay, but these tips will hopefully make it a lot easier. Planning Make sure you plan your essays before you write them. In timed conditions,...
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Answered by Ruby K. History tutor
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Factorise fully 3*a^3*b +12*a^2*b^2 + 9*a^5*b^3

To factorise 3a 3 b + 12a 2 b 2 + 9a 5 b 3 , we need to deal with like elements together.Start with the integers. The highest common factor of 3, 12, and 9 is 3. Therefore we factor out the 3 and the express...
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Answered by Melissa P. Maths tutor
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Find the highest common factor of 432 and 522

To do this, we first need to calculate the prime factorisations of 432 and 522, that is to say we need to break the numbers down into their prime factors.Let's start with 432. 432 = 2 x 216432 = 2 x ( 2 x 10...
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Answered by Melissa P. Maths tutor
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The area of a circle is 16π cm squared. Find the diameter of the circle.

We can calculate the area of a circle using the following formula:A = pi x r 2 The area we are given is 16pi. Therefore, we can divide both sides by pi. So,16pi = pi x r 2 becomes16 = r 2 We can squareroot b...
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Answered by Melissa P. Maths tutor
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