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What is the easiest way to expand quadratic equations?

There are many methods of expanding quadratic equations, however there is one method which I find to be far easier than the others. This method is called the "box method", and allows this to be don...
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Answered by Alexander C. • Maths tutor
16260 Views

How do I approach an unseen text at GCSE?

The most important thing to remember at GCSE is clarity and confidence. When you first encounter your unseen text, it can be overwhelming, but it's important to remember that once you're in the exam, you can...
BW
10141 Views

How do I incorporate technical concepts into my analysis to improve my English Literature essays?

First off, you obviously need to understand these technical concepts in order to use them well. There are plenty of databases online that will define these words and give examples of their usage. But if you'...
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Answered by Boyan B. • English tutor
4987 Views

How many moles of Magnesium must react with excess Oxygen to produce 80g of Magnesium oxide?

This question looks at the reaction: Magnesium + Oxygen goes to Magnesium Oxide Mg + O --> MgO The first step is to calculate the moles of MgO produced using the mass in the question and the relative form...
TC
Answered by Thomas C. • Chemistry tutor
25211 Views

If a cricket ball of mass 500g is thrown upwards from the ground with an initial velocity of 20 m/s, how high will the ball reach?

The best method of answering this question would be to look at the energy of the ball at the moment it is thrown and at the moment it reaches its highest point. When the ball is thrown, initially all the ene...
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Answered by Thomas C. • Physics tutor
13792 Views