book
Maths Puzzle
Numerical Ability
Solve the system.
6y + w = -10
x + y + 3z - w = 13
6x + z + 3w = 14
x + y + 5z = 13
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book Other Question
Find the constant of variation K. m varies directly with n;m=144 when n=8
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The formula v= the square root 2.5 r models the safe speed, v, in miles per hour, at which a car can travel on a c