Solve the problem.The logarithmic function f(x) = -100 + 87 ln x models the number of visitors (in millions) to U.S. museums from 1940 to 1990, where x is the number of years since 1900. Use this function to estimate the number of visitors in the year 1989.
A. 290.5 million
B. 145.3 million
C. 217.9 million
D. 435.8 million
Answer: A
Mathematics
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Round the whole number to the given place value.40,785,268, millions
A. 40,785,000 B. 40,000,000 C. 40,800,000 D. 41,000,000
Mathematics
Solve the problem.Go Green Recycling Center pays local children $0.50 for each pound of aluminum cans they bring in. If Sara brings in 16 pounds of cans, what are her gross earnings?
A. $16.50 B. $6.50 C. $8.00 D. $9.50
Mathematics
Solve.One pound of a product yields 2
cups. How many pounds of this product will be required by a recipe that calls for 6 cups of the product?
A. 2
lb
B. 8
lb
C. 2
lb
D. 13
lb
Mathematics
Add. 8a4 + 9a2
A. 19a12 B. 19a6 C. 17a8 + 2a4 D. 17a4 + 2a2
Mathematics