Solve the problem.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 251 vibrations per second and a wavelength of 4 ft. Find the wavelength of another tone that has a pitch of 378 vibrations per second.
A. 23,719.5 ft
B. 0.38 ft
C. 0.000042 ft
D. 2.7 ft
Answer: D
Mathematics
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D. 
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Perform the division and simplify.
a. 
b. 
c. 
d. 
e. 
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Evaluate the integral by changing the order of integration in an appropriate way.
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