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Take the example: 'The price of a TV is reduced to 69% and is now £379.50. Find the original price. (This means find the price when it was at 100%.) Let's start by calling each percentage a 'part'. The new p...

It is a point on a graph described by its numerical values. For example (2,3) would be 2 along the x-axis and 3 along the y-axis.

These are the group one elements on the periodic table. They are highly reactive so are stored under oil. When they react with water it is often a violent reaction. It also turns to water alkaline, hence why...

Imperfect can be descriptive, refers to a repeated event, or one that continued over a long period of time, or was interrupted by another event. For example: "Je mangeais dans le café quand j'ai vu Phil...

It states that for a right-angle triangle, the square of the hypotenuse equals the sum of the squares of the other sides. So if a denotes the hypotenuse, a^2 = b^2 + c^2.