Mathematics, 23.10.2020 16:00, naomicervero
Joe has 2 solutions that contain alcohol and is mixing them with each other he uses 500 milliliters less of solution A than solution B Solution A is 14% alcohol and solution B is 19% alcohol how many milliliters of solution B does he use if the resulting mixture has 161 milliliters of pure alcohol
Answers: 1
Mathematics, 21.06.2019 15:00, vnzgirl
1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.
Answers: 1
Mathematics, 21.06.2019 15:40, sciencecreation87
Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie
Answers: 2
Mathematics, 21.06.2019 22:00, goodperson21
White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
Answers: 2
Mathematics, 21.06.2019 22:30, sanociahnoel
Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
Answers: 3
Joe has 2 solutions that contain alcohol and is mixing them with each other he uses 500 milliliters...
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