If R is the set of real numbers, Q is the set of rational numbers, I is the set of integers, N is the set of natural numbers, and S is the set of irrational numbers, list the set(s) for which a solution to the given equation exists. If a solution to the given equation does not belong to any set, state none.x3 = 3
A. Q, R
B. I, Q, R
C. R
D. S, R
Answer: D
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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
Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.
A. A' ? B B. A' ? B C. B - A D. (A ? B)'
Solve the problem.Sheri Thomas is paid a 7% commission rate plus a base salary of $1500 each month. Her sales last month were $6450. Find her gross earnings for the month.
A. $556.50 B. $1951.50 C. $1048.50 D. $1930.00
Provide an appropriate response.Evaluate 3x2 - 3xy + 2y2 when x = 3 and y = -5.
A. 68 B. 226 C. 122 D. 138