Use a graphing calculator to answer the question.The 2007 population of a small country is 1.2 million. Suppose the birth rate is 4.5% per year, the death rate is 3.2% per year, and there is a net movement of people into the country at a rate of 400 people per year.(a) Estimate the population in the year 2010.(b) When will the population exceed 1.5 million?(c) When will the population exceed 2 million?
What will be an ideal response?
| (a) | approximately 1.25 million (b) 2024 (c) 2046 |
Mathematics
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Round as indicated.74,913 to the nearest hundred
A. 74,910 B. 75,000 C. 74,800 D. 74,900
Mathematics
Solve. Remember to insert units when writing your answer.The highway commission is installing concrete sound barriers along a highway. Each barrier is 4 yd 2 ft long. Find the total length of 7 barriers placed end to end.
A. 8 yd 1 ft B. 32 yd 2 ft C. 32 yd 1 ft D. 40 yd 2 ft
Mathematics
Solve the problem.A circular swimming pool, 20 feet in diameter, is enclosed by a circular deck that is 4 feet wide. What is the area of the deck? Use ? = 3.1416.
A. 301.6 ft2 B. 584.3 ft2 C. 314.2 ft2 D. 703.7 ft2
Mathematics
Find the exact value by using a sum or difference identity.cos 
cos 
+ sin 
sin 
A. 
B. - 1
C. 
D. 
Mathematics