Mathematics, 24.08.2019 10:20 pronces
Hector is performing a chemistry experiment that requires 160 milliliter of 40% sulfuric acid solution. he has a 25% sulfuric acid solution and a 50% sulfuric acid solution. how many millimeters of each solution should he mix to obtain the needed solution?
Answers: 1
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 22:30
Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?
Answers: 2
Hector is performing a chemistry experiment that requires 160 milliliter of 40% sulfuric acid soluti...
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