Use the Gauss-Jordan method to solve the system of equations.x - y + z = -2x + y + z = -6x + y - z =  4

A. (1, -5, -2)
B. (1, -2, -5)
C. (-5, 1, -2)
D. No solution


Answer: B

Mathematics

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Convert the Indo-Arabic numeral to the indicated form.100; Mayan

A.

B.

C.

D.

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Solve.If the force acting on an object stays the same, then the acceleration of the object is inversely proportional to its mass. If an object with a mass of 28 kilograms accelerates at a rate of  per second per second by a force, find the rate of acceleration of an object with a mass of  that is pulled by the same force.

A. 35 meters per second per second
B.  meters per second per second
C. 36 meters per second per second
D. 42 meters per second per second

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Find the perimeter. Use 3.14 for ? when needed.

A. 54.84 m B. 61.68 m C. 42.84 m D. 36.84 m

Mathematics

Solve the triangle.

?  km,  km,  ? Apply the rules regarding the use of significant digits after all computations are complete. ? A.  km
B.  km
C.  km
D.  km
E.  km

Mathematics