Use Cramer's rule to solve the linear system.

A. x = -3, y = -2
B. x = -2, y = 3
C. x = 2, y = -3
D. x = 3, y = -2


Answer: B

Mathematics

You might also like to view...

Solve the problem.A surveyor standing 64 meters from the base of a building measures the angle of elevation to the top of the building and finds it to be 38°. The surveyor then measures the angle of elevation to the top of the radio tower on the building and finds that it is 47°. How tall is the radio tower? Round your answer to the nearest hundredth of a meter when necessary.

A. 7.4 m B. 6.78 m C. 18.63 m D. 10.14 m

Mathematics

Find the amount of sales tax or tax rate and the total cost. Round money answers to the nearest cent if necessary.Amount of sale: $173 Tax rate: 9%

A. $13.84, $186.84 B. $15.57, $188.57 C. $17.30, $190.30 D. $155.70, $328.70

Mathematics

Graph the parabola described.Vertex at (0, 0); Directrix the line y = -2

A.


B.


C.


D.


Mathematics

Convert to decimal notation.700%

A. 70 B. 0.7 C. 7 D. 7000

Mathematics