Solve the problem.Students at East Central High School earned $652 selling subscriptions. They want to make $4640 for a club trip. What percent of their goal has been reached? Round to the nearest tenth of a percent, if necessary.
A. 14.1%
B. 71%
C. 1.4%
D. 7.1%
Answer: A
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Solve the problem.Let y(t) be the population of a species of plant that is being harvested, for t ? 0. Consider the harvesting model
where h is the annual harvesting rate, y0 is the initial population of the species, and t is measured in years. If y0 = 5,000, what harvesting rate should be used to maintain a constant population of y = 5,000, for t ? 0?
A. h = 25 yr-1 B. h = 5,000 yr-1 C. h = 15 yr-1 D. h = 150 yr-1
Solve the equation for ?y. Round your answers to two decimal places, if necessary.
?
A. or
B. or
C. or
D. None of the above.
Use a tree diagram showing all possible results when a die is rolled twice. List the ways of getting the following result.The first die shows a 3.
A. (3,1),(3,2),(3,4),(3,5),(3,6) B. (3,1),(3,3),(3,5) C. (3,3) D. (3,1),(3,2),(3,3),(3,4),(3,5),(3,6)
Write out the first five terms of the sequence.an = 3n- 3
A. 0, 3, 6, 9, 12 B. 0, -3, -6, -9, -12 C. 0, 1, 2, 3, 4 D. 6, 9, 12, 15, 18