Solve the equation. Give a general formula for all the solutions.cos ? = 0
A. {?|? = 0 + k?}
B. 
C. {?|? = 0 + 2k?}
D. 
Answer: D
Mathematics
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Combine the numbers.-7 - 8 - 10
A. -25 B. 11 C. -9 D. -5
Mathematics
Multiply.
A. 80.9 B. 234.8 C. 233.81 D. 233.7
Mathematics
Solve the problem.After introducing an inhibitor into a culture of luminescent bacteria, a scientist monitors the luminosity produced by the culture. Use a graphing utility to fit a logarithmic function to the data. Predict the luminosity after 20 hours.
A. y = 112.97 - 45.97 ln (x), -24.74 B. y = 98.75 - 32.66 ln (x), 0.91 C. y = 100.5 - 32.7 ln (x), 2.54 D. y = 107.55 - 41 ln (x), -15.27
Mathematics
Add and simplify.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics