Top answers

Maths
GCSE

Algebraic fractions

9/3x2 - 3y2 + x/xy - x2 = 9/3(x2-y2) + x/x(y-x) = 3/(x-y)(x+y) + 1/y-x = 3/(x-y)(x+y) - 1/x-y = 3-1(x+y)/(x-y)(x+y) = 3-x-y/(x-y)(x+y)

TL
Answered by Tristan L. • Maths tutor
2920 Views

A bag contains red discs, white discs and blue discs. 1/6 of the discs are red, 1/4 of the discs are blue. What is the smallest possible number of white discs?

We are given the fractions representing the number of discs in the bag. When comparing fractions, we should first find a common denomenator for them. The smallest common denomenator for 6 and 4 is 12 (4

GC
Answered by Grimonia C. • Maths tutor
6040 Views

Solve for x and y, with x and y satisfying the equations 3x+2y=36and 5x+4y=64

x=8 y=6

LS
Answered by Lucy S. • Maths tutor
3382 Views

There are 20 sweets in a bag, 5 are white and 15 are black. What is the probability that a sweet chosen at random will be white?

5 out of the 20 sweets in the bag are white. This could be written as 5/20. This is the probability. However, this can be simplified to 1/4 'one quarter' or 0.25.

TD
Answered by Toby D. • Maths tutor
3849 Views

What is 12x^6 / 7 divided by 4x^2 / 5 ?

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