subject
Mathematics, 08.12.2021 02:30 isabelvaldez123

The U. S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide levels since 1959. At that time, there were 314 parts per million of carbon dioxide in the atmosphere. In 2005, the figure was 384 parts per million. Find the increase in carbon dioxide levels and the percent of increase.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
Answers: 1
question
Mathematics, 21.06.2019 20:50
An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
Answers: 3
question
Mathematics, 21.06.2019 23:40
Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.
Answers: 1
question
Mathematics, 22.06.2019 00:50
You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?
Answers: 2
You know the right answer?
The U. S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide level...
Questions
question
Mathematics, 05.05.2020 16:32
question
Mathematics, 05.05.2020 16:32
question
History, 05.05.2020 16:32
question
History, 05.05.2020 16:32
question
Mathematics, 05.05.2020 16:32