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Maths Puzzle
Numerical Ability
Simplify:
3/sqrt 18
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solve each of the systems of equations. State which systems have no solution or an infinite number of solutions.
1. x-y+2z=3
-6x+y+3z=7
x+2y-5z=-4
2. x-y-2z=3
x+2
In base 11 - what is the largest/smallest/differenct of a number represented by a 3-digit numeral in the form abc where a does not equal 0.
largest 999
smallest 100
difference 899
is this correct?? Thanks Caroline
