Mathematics, 03.09.2019 20:10 babyduckies37
Ecology: wetlands government agencies carefully monitor water quality and its effect on wetlands (reference: environmental protection agency wetland report epa 832-r-93-005). of particular concern is the concentration of nitrogen in water draining from fertilized lands. too much nitrogent can kill fish and wildlife. twenty-eight samples of water were taken at random from a lake. the nitrogen concentration (milliagrams of nitrogen per liter of water) was determined for each sample. a) identify the variable. b) is the variable quantitatie or qualitative? c) what is the implied population?
Answers: 3
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Mathematics, 21.06.2019 20:10
The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)
Answers: 1
Mathematics, 21.06.2019 20:30
The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers
Answers: 3
Mathematics, 21.06.2019 23:30
What is the volume of a rectangular crate that has dimensions 9 inches by 9 inches by 1 feet? 1,458 in.3 121.5 in.3 1,012.5 in.3 36 in.3
Answers: 1
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