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Maths Puzzle
Numerical Ability
How do you solve a problem like this
a square root symbol, then a 63x to the 15th power y to the 9th power. all over 7xy to the 2nd power?
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book Other Question
Solve the system of equations. Describe what you are doing at each step in your solution process.
w+x+y+z=6
3w-x+y-z=3
2w+2x-2y+z+4
2W-x-y+z=-4
it writes solve the inequality: -2<4z+10<12.
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Thank you