Solve the system of equations using the inverse of the coefficient matrix.x + 3y = -8 21x + 6y = 3

A. x = 3, y = -1
B. x = -1, y = 3
C. x = 1, y = -3
D. x = -3, y = 1


Answer: C

Mathematics

You might also like to view...

Represent the following with a graph.

A.

B.

C.


D.

Mathematics

Solve the problem.Create a population profile for 5 states with a total population of 900 for which the Hamilton Method, Jefferson Method, and Webster Method apportionments of 50 legislative seats all agree.

What will be an ideal response?

Mathematics

Find the future value of the given annuity. Round to the nearest cent.$4000 is invested annually for 11 years at 4.8% compounded annually

A. $55,236.92 B. $57,236.92 C. $55,736.92 D. $56,236.92

Mathematics

Insert parentheses, if needed, to make the expression on the left equal to the number on the right.48 ÷ (-3) - 1 - 9 = -21

A. 48 ÷ (-3) - 1  - 9 = -21 B. 48 ÷ (-3) - (1 - 9) = -21 C. 48 ÷ (-3 - 1) - 9 = -21 D. 48 ÷ (-3 - 1 - 9) = -21

Mathematics