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How do I check if a number is prime using a python program?

We begin by making a function using Python where we take in an argument and then check if it is a an integer. If not we ask them to try again but with an integer. Then we check to see if the input was eit...

Answered by Dhir P. • Python tutor

1390 Views

3^2 + 4^2 = x^2. Find x

By Pythagoras’s theorem, a²+b²= c². So x²= 9+16=25 and so by finding the square root of 25, x=5

Answered by Luke M. • Maths tutor

2435 Views

Find and simplify the point(s) of intersection of the curves: x^2 + y^2 =6 , y = x - 3

Substituting y = x-3 into the first equation and expanding brackets:(x-3)²+x² = 6 <=> 2x² -6x +9 =6 <=> 2x² -6x +3 =0Solving by using the quadratic ...

Answered by Evans R. • Maths tutor

2658 Views

Explain how blood vessels help to regulate a human's body temperature (3marks)

The blood vessels dilate and widen, which means that the blood flows closer to the surface of the skin, so more heat is able to be released, which cools the overall body temperature.

Answered by Bill C. • Biology tutor

2204 Views

To what extent was the United States responsible for the collapse of the Grand Alliance at the end of the Second World War?

In writing this essay, the first thing to note is the structure of the question – ‘to what extent’ – this means that the essay will have to have two sides and deal both with the United States and the Sovi...

Answered by • History tutor

8693 Views