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What are Newton's Laws of Motion?

Newtons First Law:An object at rest will stay at rest, and an object in motion will stay in constant motion unless acted upon by a resultant force Newtons Second Law:F=ma Newtons Third Law:If object A exerts...
HA
Answered by Husein A. • Physics tutor
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Expand the brackets (x-3)(x+4)

When dealing with questions to do with expanding brackets, you must multiply every term in one bracket with all the others in the second bracket. So for this question, we can see we have 4 terms in total: Le...
AA
Answered by Ameer A. • Maths tutor
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Solve these simultaneous equations. 2x + y = 18 x - y = 6

With simultaneous equations there is more than one unknown. First we’ll get one unknown on its own so we rearrange the bottom equation to get x on its own. By adding y to each side of the equation this leave...
LS
Answered by Lizzie S. • Maths tutor
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Distinguish between the concepts of income elasticity of demand (YED) and cross price elasticity of demand (XED)

In economics, elasticities are an indicator of the responsiveness of demand after a change in price or income . Income elasticity of demand is the relative change in demand of one good or service following a...
MC
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What are the different types of long-term memory?

As you probably know, long-term memory (LTM) is one type of memory, however within LTM there are different types. These can be divided into; episodic, semantic and procedural LTM. The differences between the...
JC
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