Mathematics, 20.07.2019 03:00 nenelacayo07
Achemist wishes to make 5 liters of a 20% acid solution by mixing a 10% acid solution and a 25% acid solution. how many liters of each solution should the chemist use? write your answer as a complete sentence. a. write a system of linear equations that you can use to determine how many liters of each type of acid solution the manager should combine. be sure to define your variables. b. solve the system and determine how many liters of each type of acid solution the manager should combine. show all your work.
Answers: 1
Mathematics, 21.06.2019 14:00
Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)
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Mathematics, 21.06.2019 20:00
Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189
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Mathematics, 22.06.2019 00:50
Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.
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Mathematics, 22.06.2019 02:00
Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes
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Achemist wishes to make 5 liters of a 20% acid solution by mixing a 10% acid solution and a 25% acid...
Computers and Technology, 24.12.2020 16:40
Computers and Technology, 24.12.2020 16:40
Computers and Technology, 24.12.2020 16:40
Computers and Technology, 24.12.2020 16:40
Computers and Technology, 24.12.2020 16:40
Computers and Technology, 24.12.2020 16:40