exam
Maths Puzzle
Numerical Ability
I am supposed to solve the system 2x-y=6 and -4x+2y=9 by addition. I am so confused. Please help me. Thank you.
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exam Other Question
Given the function y=0.02x^2 + 1.9x - 5, complete the following table:
x / y
___________
-2 / ?
0 / ?
2 / ?
4 / ?
6 /
please help me with these promblems:
1. (2/3)^-3
2. ((3mn/2)^-1)^-4
3.20m^5/4m^2