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Velocity and speed and vector and scalar quanities respectively. Vector quantities have both direction and magnitude (size), whilst scalars only have magnitiude. It is important to distinguish between the tw...

My explanation would depend on the level of understanding of the person but one way would be the following: We know that a = 2. Substitute the value of "a" in the given equation: 2(2-b)+3(2+b) We k...

We can see right off the bat that this is a quadratic equation. As always with quadratics, it is easiest to see if it factorises first. To factorise, you need to find two numbers that multiply together to cr...

When farmers are involved in fair trade farming it means they receive a guaranteed fair price for they products (e.g. bananas or avocados), and therefore they have a consistent and secure income. This gives ...

When applying to medical school you need to think strategically, especially as you are only allowed to apply to four different medical schools. It is really important to play to your strengths and apply to t...