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The heart is a muscle and its primary function is to pump oxygenated blood around the body and to receive deoxygenated blood from around the body. The left and right side have different functions and the ...
We are looking for what values of x make this statement true. To start we need to factorise the quadratic.We can do this in two ways, the quadratic formula, or just seeing what numbers work.We'll start wi...
Note the following rules for simultaneous equations: 'Same sign subtract' and 'alternate sign add'. The first thing we need to do is find either y or x. To do so here, you add the equations together becau...
An introduction comes at the start of the essay and should outline what you are going to say. The middle of the essay is the space where you say what you want to say, and in the conclusion, you say what y...
Let x = 0.436363636...10x = 4.36363636....1000x = 436.36363636...990x = 432x = 432/990 = 24/55
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