Write the augmented matrix for the system. Do not solve. 2x + 3z = 22  -2y + 2z = 20 6x + 4y + 3z = 10

A.
B.
C.
D.


Answer: B

Mathematics

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Solve. Round your answer to the nearest tenth, if necessary.The hypotenuse of a right triangle is 11 feet long. One leg of the triangle is 3 feet longer then the other leg. Find the perimeter of the triangle.

A. 6.1 feet B. 4.3 feet C. 26.3 feet D. 9.1 feet

Mathematics

Determine if the given value of the variable is a solution to the equation.5(9x + 2) = 45x + 10; 9

A. solution B. not a solution

Mathematics

Graph the linear function.f(x) = -2

A.

B.

C.

D.

Mathematics

Factor by grouping.m2n2 - 10mn + 16

A. (mn + 2)(mn - 8) B. (mn - 2)(mn - 8) C. (mn + 2)(mn + 1) D. Prime

Mathematics