Use a sum-to-product identity to rewrite the expression.sin 7° + sin 33°
A. 2(cos (20.0°) cos (-13.0°))
B. 2(sin (20.0°) cos (-13.0°))
C. 2(cos (20.0°) sin (-13.0°))
D. 2(sin (20.0°) sin (-13.0°))
Answer: B
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Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:$344$354$313$121$213$152$170$135Compute the standard deviation(s).
A. $471,860.00 B. $97.07 C. $405,900.50 D. $174.00
Solve the problem.The Blood Alcohol Concentration (BAC) of a person who has been drinking is given by the expression number of oz × % alcohol × .075 ÷ body weight in lb - hours of drinking × .015.Find the BAC to the nearest thousandth for a 174-lb woman, who, in 3 hours, has drunk 4 16-oz beers (64 oz), each having a 3.2% alcohol content.
A. -199.912 B. -0.207 C. 0.043 D. -0.023
Using the factoring method, solve for the roots of the quadratic equation.70x2 = -70x
A. x = - 1, x = 0 B. x = - 1, x = 70 C. x = - 1 D. x = 0
Determine a window that will provide a comprehensive graph of the polynomial function.y = 0.62x3 - 5x2 + 11x + 8
A. [-30, 80] by [-8000, 4000] B. [-50, 100] by [-1000, 6000] C. [-20, 10] by [-3000, 2000] D. [-100, 10] by [-7500, 1000]