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Make y the subject of (y/x)+(2y/(x+4))=3

We want to make y the subject of the equation and so we need to write it in the form y=f(x) where f(x) is a function in terms of x.When rearranging equations with fractions for a certain subject, factorising...
HL
Answered by Henry L. • Maths tutor
16816 Views

Solve the simultaneous equations 4x + 7y = 1 and 3x +10y = 15.

There are two main ways of solving this equation, substitution and elimination, here we go through the susbtitution method. This involves rearranging one of the equations to get one of the variables in terms...
LC
Answered by Luke C. • Maths tutor
17586 Views

Why does lowering the control rods in a nuclear reactor reduce the amount of energy released each second from the nuclear fuel?

The boron control rods absorb slow-moving neutrons (thermal neutrons), which means that there are less available neutrons in the reactor. Since nuclear fission requires a collison between a neutron and a ura...
LC
Answered by Luke C. • Physics tutor
16489 Views

What are the basic functions of the different 'cases' in Latin?

Much like English, words within a Latin sentence have different purposes in order to form a complete sentence. The 'cases' in Latin are a way to describe and identify the various functions of nouns only. In ...
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Answered by Amelia G. • Latin tutor
28339 Views

Simplify (3x^2 - 15x)/(3x^2 - 13x -10)

Begin by considering the numerator and denominator separately, simplify both: 1) 3x^2 - 15x Here, a common factor of 3x can be removed to give 3x(x^2 -5). 2) 3x^2 - 13x -10 This involves using two brackets e...
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Answered by Gabriella O. • Maths tutor
9256 Views