Solve.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 257 vibrations per second and a wavelength of 4.1 ft. Find the wavelength of another tone that has a pitch of 412 vibrations per second.
A. 25,825.4 ft
B. 2.6 ft
C. 0.000039 ft
D. 0.39 ft
Answer: B
Mathematics
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+ 5
A. 21
B. 20
C. 22
D. 16
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Perform the indicated operation. Simplify if possible.
÷ 
A. 33
B. 
C. 
D. 
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Find the probability.A bag contains 6 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 
B. 7
C. 
D. 
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Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
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