Determine if the following is a linear equation in one variable. If not, state why not.12x + 27 = 3x - 45
A. It is a linear equation in one variable.
B. It is not a linear equation in one variable because it has more than one variable.
C. It is not a linear equation in one variable because it is nonlinear.
D. It is not a linear equation in one variable because it is not an equation.
Answer: A
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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
Using the pair of parametric equations, find the values of A and B in the table.x = -4t - 6, y = t + 5, for 0 ? t ? 7
A. A = 9, B = -18 B. A = 4, B = -18 C. A = 4, B = 8 D. A = -18, B = 9
Find the prime factorization of the given composite number.684
A. 2 ? 2 ? 2 ? 3 ? 3 ? 19 B. 2 ? 2 ? 2 ? 2 ? 19 C. 2 ? 2 ? 3 ? 3 ? 19 D. 3 ? 3 ? 3 ? 3 ? 19
Evaluate the function.Find f(3) if f = {(-2, 3), (3, 0), (0, 5), (5, -2)}
A. None of these B. 0 C. (0, -2) D. -2