exam Maths Puzzle Numerical Ability

Find the reference number for each value of t.

a. if t=2pi/3 _
the reference number is t =

b if t= 3pi/4 _
the reference number is t =


2.

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exam Other Question

6/y^2 + 5/y
___________
12/y^2 - 5/y

my answer: 6+5y/12-5y Is it correct?
(graphing linear equations)
Graph each wquation by using the x-and y-intercepts.

3x-y=3