Solve.The population of a certain country is growing at a rate of 2.6% per year. How long will it take for this country's population to double? Use the formula 
which gives the time, t, for a population with growth rate k, to double. Round to the nearest year.
A. 27 yr
B. 29 yr
C. 28 yr
D. 26 yr
Answer: A
You might also like to view...
Provide an appropriate response.Find the ratio of the volume of the cylinder to the volume of the hemisphere, given that the height, h, of the cylinder is equal to the diameter, d, of the hemisphere.
A. 2 : 3 B. 3 : 4 C. 3 : 2 D. 3 : 1
Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Rationalize the denominator.
A. 
B. 2
C. 
D. 
Provide an appropriate response.One way to measure a person's cardiofitness is to calculate how many METs, or metabolic units, he or she can reach at peak exertion. One MET is the amount of energy used when sitting quietly. To calculate ideal METs, we can use the expression: 
Researchers recommend that a person reach approximately 85% of his or her MET when exercising. Calculate 85% of the ideal MET for a 60-yr-old woman. Then refer to the following table. What activity can the woman do that is approximately this value? 
A. 8.1; Swimming B. 6.885; Cycling C. 6.885; Skiing D. 8.1; Skiing