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Simplify. (x(^2)+4x)/(x(^2)+3x-4)

To start with trying simplify any equation, you need to first see if the top part of the equation and the bottom part can be factorized. Fortunately the top part and bottom part of the equation are both quad...
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Answered by Jack R. • Maths tutor
7580 Views

Who was the most important individual in the Civil Rights Movement?

There is no simple answer to this question, and everyone has there own opinion. Although, in the modern day, Martin Luther King is considered the most influential and important African American leader ever, ...
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Answered by Gabrielle S. • History tutor
3925 Views

How to write a strong introduction to a history essay?

The introduction is key to making your essay stand out. Mastering a technique for writing introductions will help your confidence in essay writing generally, as you set out a clear structure and argument fro...
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Answered by Tsiona L. • History tutor
28791 Views

What's the difference between "Ser" and "Estar"?

Both verbs mean "to be" but the key difference is in the permanence of what they are describing. "Ser" is used when you're describing an essential characteristic of the person or thing, w...
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Answered by Emily H. • Spanish tutor
2912 Views

The friction coefficient of Formula 1 car tyres are around 1.7 in dry weather. Assuming sufficient power from the engine, calculate the theoretical best 0-100 km/h acceleration time in seconds. (neglect downforce, g=9.81m/s^2)

We have to appreciate the assumptions we are working with. The problem states that power is available infinitely, therefore the maximum acceleration influencing factor is the tire grip. It is reached when th...
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Answered by Balazs V. • Physics tutor
26837 Views