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Implement a function which checks weather a given number is prime and returns 1 if it is prime and 0 otherwise.

This function is not extremely complicated to implement and an easy approach (yet not extremely efficient as we shall see later) would be to check every single number from 2 up to 1 less than our number f...

Answered by Vlad N. • Ruby tutor

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Diamond is very hard because:

It is a giant covalent structure.

Answered by Rifat M. • Chemistry tutor

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A line has equation y = 3x + 4, write down the gradient of the line.

gradient = 3

Answered by Rifat M. • Maths tutor

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Determine the integral: ∫x^(3/4)dx

I = (4/7)X^(7/4) +C

Answered by Rifat M. • Maths tutor

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What is the name given to waves where the oscillations are in the same direction as the wave energy?

When the oscillations of the waves are parallel to the wave energy, we call the wave longitudinal. An example of a longitudinal wave could be sound waves.

Answered by Rifat M. • Physics tutor

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