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Does anyone actually use the formal 'Sie', and if so, when?

Although we, in English, don't really use a different form when speaking formally, Germans distinguish between the formal and the informal depending on who they are speaking to. The first basic rule of this ...
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Answered by Isobel P. • German tutor
2194 Views

Differentiate y=x^2cos(x)

using the product rule product rule is dy/dx=v.du/dx+u.dv/dx let u = x^2 and v = cos(x) du/dx=2x dv/dx = -sin(x) so dy/dx=2xcos(x)-x^2sin(x)
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Answered by Ellen M. • Maths tutor
7698 Views

What is the difference between "desde hace" and "desde"?

"Desde hace" is used when talking about an interval of time, a duration, i;e: "Estoy enferma desde hace une semana." ("I have been sick for a week"). "Desde" is used w...
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Answered by Afrah M. • Spanish tutor
16814 Views

Forgot to put question for the interview

Whoops.
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Answered by Philip G. • Chemistry tutor
2550 Views

what is half of five-eights as a percentage?

(1/2)x(5/8)=5/16 100/16=6.25 6.25 x 5 = 31.25
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Answered by Devshi M. • Maths tutor
4106 Views