Solve the problem.The pitch P of a musical tone is inversely proportional to its wavelength W. One tone has a pitch of 444 vibrations per second and a wavelength of 15.2 ft. Find the wavelength of another tone that has a pitch of 423 vibrations per second. Round to the nearest tenth.
A. 12,356.1 ft
B. 0.06 ft
C. 0.000081 ft
D. 16 ft
Answer: D
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Complete.88,200 min = ___ wk
A. 8.75 B. 525 C. 875 D. 61.25
Solve.A rectangular room measures 11 ft by 13 ft. Find the cost of installing a strip of wallpaper around the room if the wallpaper cost $0.67 per foot.
A. $191.62 B. $16.08 C. $95.81 D. $32.16
Round the whole number to its highest place value.58,874
A. 58,900 B. 58,000 C. 60,000 D. 59,000
Consider the following statement: For all integers n, if n^3 is odd then n is odd.
(a) Prove the statement either by contradiction or by contraposition. Clearly indicate which method you are using. (b) If you used proof by contradiction in part (a), write what you would “suppose” and what you would “show” to prove the statement by contraposition. If you used proof by contraposition in part (a), write what you would “suppose” and what you would “show” to prove the statement by contradiction.