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Example Oral Question: Was hast du letztes Wochenende gemacht?

Zum Beispiel: Letztes Wochenende bin ich mit meinen Freunden ins Cafe gegangen, um Kaffee zu trinken, und mit einander zu reden. Das hat mir gut gefallen, weil wir sehr gut mit einander a...

IL
Answered by Imogen L. German tutor
13362 Views

A car is moving on an inclined road with friction acting upon it. When it is moving up the road at a speed v the engine is working at power 3P and when it is moving down the road at v the engine is working at a power P. Find the value of P.

Incline is at θ where sin θ = 1/20 and mass of the car is 800kg and v is 12.5 m/s

Up the road: Power = Fv                              F = R + (800g)/20

                            ...

JM
Answered by Jonathan M. Maths tutor
2909 Views

Given two functions f and g where f(x)=3x-5 and g(x)=x-2. Find: a) the inverse f^-1(x), b) given g^-1(x)=x+2, find (g^-1 o f)(x), c) given also that (f^-1 o g)(x)=(x+3)/3, solve (f^-1 o g)(x)=(g^-1 o f)(x)

a)  For an inverse function- "inputs become outputs" so swap the positions of the input-variable (i.e "x") with the output variable (i.e f(x)) and then rearange. Once rearanged so that...

KK
Answered by Kendra K. Maths tutor
8151 Views

I can't take my books into the exam, how do I memorise them?

First thing is, try not to worry, it's only natural to panic about being able to quote your texts in a closed book exam but you have to remember that the examiners are not expecting you to be able to reci...

SL
3505 Views

How should you structure an ELAT essay?

I have often found it helpful to think in groups of threes when structuring an essay: three main paragraphs, with three sub-points in each paragraph. In the ELAT, the examiners are looking for students to...

EJ
Answered by Ella J. ELAT tutor
3304 Views

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