Mathematics, 25.07.2019 20:50 briannaroberson16
Correct answer will be brainliest! a chemist needs 25 liters of a 10% alcohol solution but has only a 25% alcohol solution. how many liters each of the 25% solution and water should he mix to make the desired 25 liters of 10% solution?
Answers: 1
Mathematics, 21.06.2019 19:30
Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?
Answers: 1
Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
Answers: 3
Correct answer will be brainliest! a chemist needs 25 liters of a 10% alcohol solution but has only...
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