Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. There are currently 78 million cars in a certain country, decreasing by 0.8% annually. How many years will it take for this country to have 60 million cars? Round to the nearest year.
A. 18 years
B. 361 years
C. 23 years
D. 33 years
Answer: D
Mathematics
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Find the requested function value of ?.If sin ? = 0.7273, find cos ?.
A. 0.1930 B. 0.1404 C. 0.9437 D. 0.6863
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Solve the application problem.The length of a vegetable garden is 5 feet longer than its width. If the area of the garden is 66 square feet, find its dimensions.
A. 5 ft by 12 ft B. 7 ft by 12 ft C. 6 ft by 11 ft D. 5 ft by 10 ft
Mathematics
Verify the identity.1 + sec2x sin2x = sec2x
What will be an ideal response?
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Provide an appropriate response.What is the domain of the function y = 
x?
A. y ? 0 B. x < 0 C. All real numbers D. x ? 0
Mathematics