Solve the problem.In one country, it is estimated that in the year 2050, 3% of the population will be over 70. If the population of this country in 2050 is 142 million, how many people will be over 70?
A. 42.60 million
B. 2.84 million
C. 4.26 million
D. 5.68 million
Answer: C
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Provide an appropriate response. A quality control inspector used calipers to measure the diameters of four rods and found them to be 0.256 mm, 0.264 mm, 0.253 mm, and 0.249 mm. Which measure is largest?
A. 0.264 mm B. 0.249 mm C. 0.256 mm D. 0.253 mm
Solve the problem.Suppose that $2200 is invested at 3% interest, compounded semiannually. Find the function for the amount of money after t years.
A. A = 2200 (1.015)t B. A = 2200 (1.015)2t C. A = 2200 (1.0125)2t D. A = 2200 (1.03)2t
The graphs show the sales of two companies competing for market share. Use the graphs to answer the question.
If x represents Company B's sales in 1992 and y represents Company A's sales in the same year, then the relationship between x and y is
A. x > y B. x = y C. x < y D. x ? y
Solve the right triangle; angle C is the right angle. Round to the nearest tenth where necessary.a = 3.6, B = 32.6°
A. A = 57.4°, b = 4.7, c = 4.3 B. A = 57.4°, b = 4.7, c = 5.9 C. A = 57.4°, b = 1.2, c = 3.8 D. A = 57.4°, b = 2.3, c = 4.3