Solve the given applied problems involving variation.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 479 vibrations per second and a wavelength of 8.8 ft. Find the wavelength of another tone that has a pitch of 492 vibrations per second.
A. 0.000037 ft
B. 0.12 ft
C. 26,780.5 ft
D. 8.6 ft
Answer: D
You might also like to view...
Find the arc length of the given curve.x = t2, y = 
t3/2, z = t; 0 ? t ? 9
A. 4.5 B. 9 C. 90 D. 81
If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.IV, 
A. Positive B. Negative
Find the product. Assume variables represent positive real numbers.(7p3/5 + 4p4/5)2
A. 49p6/5 + 56p7/5 + 16p8/5 B. 14p6/5 + 28p8/5 + 8p8/5 C. 49p6/5 + 28p7/5 + 16p8/5 D. 49p9/25 + 7p
Solve the problem.A nutritionist is preparing a meal for a patient. The meal should contain 575 calories, 42.5 g of protein, and 370 mg of vitamin C. The nutritionist prepares a meal of roast beef, baked potatoes, and broccoli according to the data in the following table: 
How many servings of each food are needed in order to satisfy the requirements?
A. Roast beef: 
; baked potato: 
; broccoli: 3
B. Roast beef: 1; baked potato: 1; broccoli: 3
C. Roast beef: 1
; baked potato: 1; broccoli: 3
D. Roast beef: 1; baked potato: 
; broccoli: 3