Find the dB gain of an amplifier if the output voltage is 30 volts when the input voltage is 0.5 volt. Round your answer to the nearest hundredth.
A. 3.08 dB
B. 59.08 dB
C. 1.78 dB
D. 35.56 dB
E. None of these
Answer: D
Mathematics
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If y varies directly as x, find the direct variation equation for the situation.y = 0.3 when x = 1.2
A. y = x - 0.9 B. y = 0.25x C. y = 0.3x D. y = 4x
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Find the magnitude of the vector and the angle 
, 
, that the vector makes with the positive x-axis.
?
?
?
A. 
B. ?
C. ?
D. ?
E. ?
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Add the integers.-64 + (-47)
A. -112 B. 111 C. 112 D. -111
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Use the given table or graph to write the inequality described.The sales figures for the Big "D" Company area shown below in a line plot.
Use an inequality to compare the sales for July 2000 and July 2001.
A. $64,000 > $50,000 B. $50,000 < $64,000 C. $46,000 < $64,000 D. $48,000 < $58,000
Mathematics