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In programming, some languages are compiled and others are interpreted. Define the difference between the two.

An interpreter translates a program into machine code one line at a time. A compiler, however, scans the entire document and translates it into machine code as a whole. The overall execution time of an in...

Answered by Jack C. • Computing tutor

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AS and A2 level oral and written Italian capabilities

I completed my A-level equivalent qualifications in Italy completely in Italian, despite my first language being English. I am therefore able to easily answer any questions regarding the Italian culture, ...

Answered by Jack C. • Italian tutor

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(4-2x)/(2x+1)(x+1)(x+3) = A/(2x+1)+B/(x+1)+C(x+3) Find the values of the constants A, B and C

First, multiply throughout by the denominator of the main function to give as follows: 4-2x = A(x+1)(x+3) + B(2x+1)(x+3) + C(2x+1)(x+1) Then, choose values of x which will cause two of the constants to va...

Answered by Michael C. • Maths tutor

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Given sinhx = 0.5(e^x - e^-x), express its inverse, arcsinhx in terms of x.

The first step is to write sinhx in its exponential form and set it equal to y, this will make rearranging easier. Then multiply everything by e^x and rearrange to form a quadratic, in terms of e^x. Expre...

Answered by Kai A. • Further Mathematics tutor

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