Solve the problem.The function A = A0e-0.00693x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 800 pounds of the material are initially put into the vault, how many pounds will be left after 160 years?
A. 519 pounds
B. 250 pounds
C. 640 pounds
D. 264 pounds
Answer: D
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Express the expanded form as a Hindu-Arabic numeral.(9 × 101) + (5 × 1)
A. 45
B. 95
C. 14
D.
| 140? |
Solve the problem.A rain gutter is made from sheets of aluminum that are 27 inches wide. The edges are turned up to form right angles. Determine the depth of the gutter that will allow a cross-sectional area of 52 square inches. There are two solutions to this problem. Round to the nearest tenth of an inch.
A. 2.8 in. and 13.4 in. B. 1.7 in. and 19.9 in. C. 2.1 in. and 24.9 in. D. 2.3 in. and 11.2 in.
When the businesses within an organization share some products, markets, or technologies and each business generates less than 70 percent of the sales revenue of the organization, the firm is using the ____ diversification multiproduct strategy.
A. related-constrained B. related-linked C. unrelated D. nondominant
Find the sum.
A. 30 B. 14 C. 32 D. 18