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Maths Puzzle
Numerical Ability
How would you write (-3x)^-2 using positive exponents and simplified?
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book Other Question
make a sketch using the given information. Then, state all of the pairs of congruent angles.
angle 1 and angle 2 are a linear pair. angle 2 and angle 3 are a linear pair. angle
Determine whether the following equations have a solution or not? Justify your answer.
a) 5x2 + 8x + 7 = 0
b) (7)1/2y2 - 6y - 13(7)1/2 = 0
c) 2x2 + x - 1 = 0
d) 4/3