Which expressions are equivalent to 1/3+8d+5/7? check all that apply.

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Answers: 3

Mathematics, 04.02.2019 04:54

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Answers: 1

Mathematics, 02.02.2019 20:27

In triangle â–³abc, âˆ abc=90Â°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Answers: 2

Mathematics, 02.02.2019 20:19

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?

Answers: 1

Mathematics, 02.02.2019 00:10

(20 points) a bank has been receiving complaints from real estate agents that their customers have been waiting too long for mortgage confirmations. the bank prides itself on its mortgage application process and decides to investigate the claims. the bank manager takes a random sample of 20 customers whose mortgage applications have been processed in the last 6 months and finds the following wait times (in days): 5, 7, 22, 4, 12, 9, 9, 14, 3, 6, 5, 15, 10, 17, 12, 10, 9, 4, 10, 13 assume that the random variable x measures the number of days a customer waits for mortgage processing at this bank, and assume that x is normally distributed. 2a. find the sample mean of this data (x Ä›â€¦). 2b. find the sample variance of x. find the variance of x Ä›â€¦. for (c), (d), and (e), use the appropriate t-distribution 2c. find the 90% confidence interval for the population mean (Ã®Ä¾). 2d. test the hypothesis that Ã®Ä¾ is equal to 7 at the 95% confidence level. (should you do a one-tailed or two-tailed test here? ) 2e. what is the approximate p-value of this hypothesis?

Answers: 2

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