Solve the problem.Newton's law of cooling states that the temperature f(t) of a body at time t is given by: 
where C and k are constants and T0 is the temperature of the environment in which the object rests. If C = -29.4 and k = 0.04 and t is in hours, how long will it take for a frozen roast to thaw to a temperature of 0°C in a refrigerator that is at 5°C? Round your answer to the nearest hour.
A. 48 hr
B. 38 hr
C. 42 hr
D. 44 hr
Answer: D
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Determine the truth value for the simple statement. Then use these truth values to determine the truth value of the compound statement. Use the chart or graph when provided.In Region X, people are spending more on leisure activities. Annual per capita spending in dollars:
Per capita spending on vacations was higher in Region X in 2010 than it was in 2000 or per capita spending on dining out was less in in Region X in 2010 than it was in 2000.
A. True B. False
Provide an appropriate response.The individual, organization, or business that carries the insurance is called the underwriter.
A. True B. False
Solve the problem.If one earthquake is 104.4 times as intense as another, what is the difference in the Richter scale readings of the two earthquakes?
A. 10.1 B. 14.4 C. 5.6 D. 4.4
Find the second-order partial derivative.Find fxx when f(x, y) = x6y3 - 
x7y7 + 17x - y.
A. 30x5y3 - 42
x6y7
B. 30x4y2 - 42
x5y6
C. 30x4y3 - 42
x5y7
D. 5x4y3 - 6
x5y7