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Tu amigo español te ha preguntado sobre tu tiempo libre. Escríbele sobre tus intereses y actividades.

Normalmente en mi tiempo libre me gusta pasar tiempo con mis amigos. Frecuentemente vamos a la playa y jugamos juntos al futbol allí. Ademas, nos gusta hacer surf pero desafortunadamente todavía no soy un...

ZA
Answered by Zoe A. Spanish tutor
3094 Views

Explain a benefit of using a) part-time staff in a business and b) full-time staff (3 marks each).

Part-time staff are useful to business as they are contracted for less than 40 hours a week and are therefore usually more flexible than full time staff. This means that their hours can be adjusted more ...

ZA
2993 Views

If y=(a^(Sinx)) where a and k are given constants, find dy/dx in terms of a and x

Here we have to differentiate a constant raised to the power of a variable. To make it easier, let u=sinx and so our function can now be treated as y=a^u. Remembering that A = e^(LnA), a^u = e^(Ln(a^u)). ...

MD
Answered by Maninder D. Maths tutor
2904 Views

When vaporised, isotopes of an element can be separated in a mass spectrometer. Name the three processes that occur in a mass spectrometer before the vaporised isotopes can be detected. State how each process is achieved. (6 marks)

Once the sample is vaporised, high energy electrons are fired at the sample which knocks off a loosely held electron. (1) This step is known as election impact ionisation. (2) Due to the presence of a cha...

MF
4221 Views

Curve C has equation y=(9+11x)/(3-x-2x^2). Find the area of the curve between the interval (0, 1/2). State your answer in exact terms.

The word "area" should highlight that it is an integration question to the student. The interval asked for is (0,1/2) and so the curve should be integrated between that interval.The first task i...

IA
Answered by Isha A. Maths tutor
2750 Views

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