Solve.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 433 vibrations per second and a wavelength of 8.4 ft. Find the wavelength of another tone that has a pitch of 480 vibrations per second.
A. 7.6 ft
B. 0.00004 ft
C. 24,742.9 ft
D. 0.13 ft
Answer: A
Mathematics
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Decide whether the given set of numbers is a commutative group under the given operation.Integers; addition
A. Yes B. No
Mathematics
If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.s = 6.6 meters, ? = 3 radians, r = ?
A. 1.1 m B. 0.45 m C. 2.2 m D. 1.6 m
Mathematics
Simplify.
A. 
B. 
C. 
D. 3
Mathematics
Solve the problem.One pound of an ingredient yields 3
cups of the final product. How many pounds of this ingredient will be required by a recipe that yields 7 cups of the final product?
A. 22
lb
B. 28
lb
C. 2
lb
D. 2
lb
Mathematics