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Maths Puzzle
Numerical Ability
Can the solution set of the compound inequality x < -3 0r x > 5 be expressed as -3 > X > 5? Please explain.
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please help me with this equation...
solve by any method.
y=-x-2
y=-3x+4
A boat takes two trips on a river. On the first trip it travels upstream for 5 hours and returns in 2 hours. On the second trip it goes down-stream for 3 hours, turns around and he