A patient's ankle is x-rayed at a distance (FFD) of 30in with a current level of 75mA. A second x-ray is to be taken at a distance of 20in with the same exposure time. What should the current level be set at for the second x-ray?
A. 150mA
B. 3.3mA
C. 25mA
D. 50mA
Answer: B
Mathematics
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Referring to the graph below, what is the value of rd when Vf = 7.0 V?
a. 875 ohms
b. 600 ohms
c. 400 ohms
d. 235 ohms
e. 180 ohms
Mathematics
Determine whether the ordered pair is a solution for the given equation.5x - 3y = 29; (4, 3)
A. Yes B. No
Mathematics
Solve. 
> 9
A. x < -2 or x > 16 B. x < -9 or x > 9 C. -2 < x < 16 D. x < -16 or x > 2
Mathematics
Determine whether the ordered triple is a solution of the system.(-2, 6, -1)
A. Yes B. No
Mathematics