Perform the indicated operation and write the answer in simplest form. +  

A.
B.
C.
D.


Answer: D

Mathematics

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Solve the problem.Find the moment of inertia about the y-axis of the thin semicircular region of constant density  bounded by the x-axis and the curve  .

A. ?
B. 320?
C. 160?
D. ?

Mathematics

Solve the problem.Electrical systems are governed by Ohm's law, which states theV = IR, where V = voltage, I = current, and R = resistance. If the current in an electrical system is decreasing at a rate of 4 A/s while the voltage remains constant at 22 V, at what rate is the resistance increasing when the current is 24 A?

A.  ohms/s
B.  ohms/s
C.  ohms/s
D.  ohms/s

Mathematics

Give the reciprocal of the number. 15

A. -  
B.  
C. -15
D. 1

Mathematics

Graph the inequality.-2x - 4y ? 8

A.

B.

C.

D.

Mathematics