Use the given information to find the exact value.cos A = - 
, 
< A < ?; sin B = - 
, ? < B < 
Find tan (A + B).
A. 
B. 
C. 
D. 
Answer: C
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Compute the expected age ? of a British nurse in 1851. Assume that the table below shows the age distribution of nurses in Great Britain in 1851. Round your answer to nearest hundredth. Age range (yr)20-29 30-39 40-49 50-59 60-69 70-79 80+ Midpoint (x)24.5 34.5 44.5 54.5 64.5 75.5 84.5 Percent of nurses5.8% 9.8% 19.4% 29.1% 25.1% 9.1% 1.7%
A. 54.50 B. 59.50 C. 53.76 D. 53.79 E. 43.79
Answer the question.Tell which of the following distributions would have the most variation.
A. The number of hours of light per day over a one-year period in Mexico City B. The number of hours of light per day over a one-year period at the North Pole C. The number of hours of light per day over a one-year period at the equator D. The number of hours of light per day over a one-year period in New York
Use an annuity table to find the periodic payment that will render the sum. Round to the nearest cent.S = $280,000, interest is 5% compounded semiannually, payments made at the end of each semiannual period for 8 years
A. $11,835.57 B. $29,322.10 C. $14,447.72 D. $32,050.86
Solve.
= 
A. 
B. 
C. 
D. 