Solve.The output voltage for an AC generator is approximated by v = 156 cos 
. Find the smallest positive value of t for which the output is 104 volts. Round values to 4 decimal places.
A. 0.0110
B. 0.0100
C. 0.0040
D. 0.0050
Answer: D
Mathematics
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Find 
.ln y = ey cos 7x
A. -7yey sin 7x
B. ey cos 7x - 7ey sin 7x
C. 
D. 
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Solve.A partial map of a state in a road atlas covers a square area of 16,900 square miles. What is the length of each side of the square area?
A. 13 mi B. 169 mi C. 130 mi D. 4225 mi
Mathematics
Provide an appropriate response.A vertical analysis of a balance sheet shows the ratio of each item on the balance sheet to the:
A. owner's equity B. current liabilities C. total assets D. current assets
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Solve the problem.Find the variance of the scores: 15, 15, 15, 18, 21, 21, 21. Round to tenths.
A. 9.0 B. 2.8 C. 3 D. 7.7
Mathematics