A rural town is declining in population at a rate of 2% per year. If the current population is 7000 people, what will the population be in 6 years?
A. about 6201 people
B. about 7884 people
C. about 1835 people
D. about 6160 people
Answer: A. about 6201 people
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Create the required linear function an use it to answer the question.Suppose that you were 24 inches long at birth and 4 feet tall on your tenth birthday. Based on these two data points, create a linear equation for the function that describes how height varies with age. Use the equation to predict the height at age 9 and 31.
A. h = 24 + 7.2a; 45.6 inches; 247.2 inches B. h = 24 - 2.4a; 2.4 inches; -50.4 inches C. h = 24 + 12a; 88.8 inches; 396 inches D. h = 24 + 2.4a; 45.6 inches; 98.4 inches
Solve the system by the substitution method. xy = 20x + y = 9
A. {(-5, 4), (-4, 5)} B. {(5, 4), (4, 5)} C. {(5, -4), (4, -5)} D. {(-5, -4), (-4, -5)}
The following figures are similar. For the pair, find the length of the side indicated by x.
A. 15 in. B. 0.24 in. C. 150 in. D. 2.4 in.
Find the prime factorization of the number.126
A. 2 ? 2 ? 3 ? 3 ? 7 B. 2 ? 3 ? 7 C. 14 ? 3 ? 3 D. 2 ? 3 ? 3 ? 7