Solve the equation.-5x - 7 = -7x - 8
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Show that the function is a solution of the wave equation.w(x, t) = cos (-8ct) sin (-8x)
A. No B. Yes
Mathematics
Solve the problem.In his chemistry lab, Harrison measured the mass of a sample of calcium carbonate six different times. The mass measurements he observed were: 2.016 g, 2.009 g, 2.017 g, 2.011 g, 2.012 g, and 2.011 g. Find the mean of these measurements.
A. 2.011 g B. 2.015 g C. 2.013 g D. 2.01 g
Mathematics
Find the angle between the given vectors. Round to the nearest tenth of a degree.u = 2j, v = 8i - 3j
A. -20.6° B. 76.5° C. 134.6° D. 110.6°
Mathematics
Solve the equation.c - 
= 0
A. - 
B. 
C. - 
D. 
Mathematics