book
Maths Puzzle
Numerical Ability
solve the compound inequality and write the solution set using interval notation.
12 > 7 - x > 4 or - 3/2 x < -3
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book Other Question
Graph the following inequality and shade it - - include your coordinates in the spaces below.
4X + Y > 4 ( ,
a) Find the radii of the circles x^2 + y^2 = 2 and (x-3)^2 + (y-3)^2 = 32
b) Find the distance between the centers of the circles
c) Explain why the circles must be internally tangent