The loudness L(x), measured in decibels, of a sound of intensity x, measured in watts per square meter, is defined as 
watt per square meter is the least intense sound that a human ear can detect. Determine the loudness, in decibels, of the sound.At a recent Phish rock concert, sound intensity reached a level of 0.50 watt per square meter. To the nearest whole number, calculate the loudness of this sound in decibels.
A. 107 decibels
B. 123 decibels
C. 117 decibels
D. 112 decibels
Answer: C
Mathematics
You might also like to view...
Solve the absolute value equation.|12x| = 0
A. 0
B. 
C. 12
D. 12, -12
Mathematics
Solve the equation.2(2x + 10) = 2x - 12
A. x = -16 B. x = 16 C. x = -4 D. x = 4
Mathematics
Translate the percent equation into an English sentence.7.4 = t% ? 67
A. 7.4 is what percent of 67? B. What number is 67% of 7.4? C. 67 is what percent of 7.4? D. What percent of 7.4 is 67?
Mathematics
Write an equation of the line with the given slope, m, and y-intercept (0, b).m = 
, b = 1
A. y = 
x + 1
B. y = - 
x + 1
C. y = - 
x - 1
D. y = 
x - 1
Mathematics