exam Maths Puzzle Numerical Ability

2x + 3y = 1
5x + 3y = 16

x + 5y = 10
-2x - 10y= -20

Read Solution (Total 0)

exam Other Question

How do i prove that given triangle ABC with the altitude from B of the same length as the altitude from C, then the triangle must be isosceles.
I can prove this question without it saying altitude that is where i am confused.
thank you
Nadia Please can you help me with this equation?
3y^2-12 /4y^2+4y+4 divided by y^3-2y^2/ Y^2+2y