Mathematics, 20.01.2021 17:10 Meliiiii
Which statement includes two quantities in the real-world that are additive inverses?
A. A person deposits 4250 into their bank and then withdraws $200 from the same account.
B. A place ascends 430 yards and descends 430 feet
C. Thirty Two gallons of water leak from a pool and 32 gallons are out into the pool
D. A driver drives 45 miles east and 40 miles west
Answers: 1
Mathematics, 21.06.2019 17:30
Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?
Answers: 3
Mathematics, 22.06.2019 00:30
You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25
Answers: 2
Mathematics, 22.06.2019 01:30
Acell phone company offers two plans to its subscribers. at the time new subscribers sign up, they are asked to provide some demographic information. the mean yearly income for a sample of 40 subscribers to plan a is $45,000 with a standard deviation of $9,200. for a sample of 25 subscribers to plan b, the mean income is $64,300 with a standard deviation of $7,100. at the 0.025 significance level, is it reasonable to conclude the mean income of those selecting plan b is larger? assume unequal population standard deviations. hint: for the calculations, assume the plan a as the first sample. what is the decision rule? (negative amount should be indicated by a minus sign. round your answer to 3 decimal places.) compute the value of the test statistic. (negative amount should be indicated by a minus sign. round your answer to 2 decimal places.) what is your decision regarding h0 ? reject h0 fail to reject h0 compute the p-value. less than 0.01 between 0.01 and 0.025 between 0.025 and 0.05 between 0.05 and 0.10 greater than 0.10
Answers: 3
Which statement includes two quantities in the real-world that are additive inverses?
A. A person d...
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