Provide an appropriate response.If w varies jointly as x and y, find w if the constant of variation is 2.7 and x = 56.8 and y = 12.5.

A. 153.36
B. 1,917
C. 710
D. 262.96


Answer: B

Mathematics

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Provide an appropriate response. Solve the system of equations using the addition method:x - 3y = 7 2x + 3y = 5

A.

(4, -1)


B.

(19, 4)


C.

(1, -2)


D.

Mathematics

Solve.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 180 milliamperes when the resistance is 3 ohms, find the current when the resistance is 18 ohms.

A. 30 milliamperes B. 1080 milliamperes C. 90 milliamperes D. 1074 milliamperes

Mathematics

Determine which point is a solution for the system of inequalities.

a. (0,0) b. (0,1) c. (3,0) d. (0,3) e. (0,-3)

Mathematics

Use the boundedness theorem to determine whether the statement is true or false.The polynomial f(x) = x5 - 5x3  + 4x has no real zero greater than 2.

A. True B. False

Mathematics