exam
Maths Puzzle
Numerical Ability
the radius of a circle is shown. wich method would you use to find the diameter of the circle?
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exam Other Question
my problem says; solve by addition
x+3y=1
2x-3y=-16
thank you
if 1ST is one tile and 2nd is three tiles , 3rd is five tiles ,4th is seven tiles. write an equation for the number of tiles,t, needed to make the nth figure.