2. a car takes 7 hours 50 minute to travel 549 9/10 km.
what is the average speed of the...
Mathematics, 07.10.2019 12:30, crippyjay
2. a car takes 7 hours 50 minute to travel 549 9/10 km.
what is the average speed of the cat in km per hour?
*this post has 2 question (the pic and the typed).*
i'm really struggling with those type of questions. : (
Answers: 2
Mathematics, 21.06.2019 18:40, calebhoover03
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 09.10.2019 04:00