exam Maths Puzzle Numerical Ability

Solve the system using an augmented matrix. Show your work.

5x + 4y -z = 1
2x -2y +z = 1
-x -y +z =2

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exam Other Question

Fund the length of the diagonal of a rectangular billboard whose sides are 5 ft. and 12 ft. Length = a and width = b given by the Plythagorean Theorem C2 =n a2 + b2. a cold water faucet could fill a sink in 15 minutes, and a hot water faucet can fill it in 12 minutes. the drain can empty the sink in 25 minutes. if both faucets are on and the drain is open, how long will it take to fill the sink?