Answers by Blacksun
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Answers by Blacksun

Answers by Blacksun
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in a swimming race, a student swam the first 50 meters in 42 seconds. she swam the secons 50 meters in 40 seconds. what was the students average speed during the race?
answered Sep 15, 2017
2 votes
63.7k views
The scores on a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. If 85 students took the exam, and above a 60 is a passing grade, how many students failed
answered Apr 30, 2017
4 votes
10.9k views
If 5=x+6 what is x?
answered Feb 27, 2017
5 votes
97.1k views
What is expanded form of 605,970
answered Aug 30, 2016
2 votes
123k views
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