Mathematics, 01.12.2020 19:40 2019jbash
Francis was biking up the hill in the image to the right. The hill made a 45°
angle with the ground. How high off of the ground was Francis when he
reached the top of the hill?
a. 7.1 mi.
b. 14.1 mi.
c. 50 mi.
d. 5 mi.
Answers: 2
Mathematics, 21.06.2019 16:30, macenzie26
What could explain what happened when the time was equal to 120 minutes
Answers: 2
Mathematics, 21.06.2019 20:00, allycoops666666
Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?
Answers: 1
Mathematics, 22.06.2019 04:30, RichardKing2376
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.
Answers: 1
Francis was biking up the hill in the image to the right. The hill made a 45°
angle with the ground...
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