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How do I find the highest common factor of two numbers?

The factors of a number are all the numbers that divide into it, so the HCF of two numbers is the highest number that is a factor of both numbers. I'd work it out by create a list of all of the prime factors...
OB
Answered by Olivia B. • Maths tutor
7974 Views

What is the UN Brundtland definition of sustainable development?

Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs
IW
4729 Views

Explain why xenon has a lower first ionization energy than neon.

Xenon has a bigger atomic radius therefore it experiences more shielding.This results in a decrease in nuclear attraction therefore less energy is required to remove an electron from the outermost energy level.
OI
Answered by Olivia I. • Chemistry tutor
16088 Views

Factorise and solve x^2-9x-10=0

x 2 -9x-10=0 Find two numbers that add to equal -9 and mulitiply to equal -10 These numbers are -10 and 1 so this equation factorises to equal (x-10)(x+1)=0 Now find the values of x that would make the left ...
LL
Answered by Laura L. • Maths tutor
10933 Views

Explain why relations between the USA and the USSR worsened in the years 1947-49? (12 marks)

It is very important when approaching a question like this, to not only consider the number of marks, but likewise the dates given. This question is worth 12 marks, so requires you to focus on around three t...
JH
Answered by Jana H. • History tutor
26460 Views