Mathematics, 25.06.2019 07:40 yoongnzl
You need a 15% alcohol solution. on hand, you have a 210 ml of a 35% alcohol mixture. how much pure water will you need to add to obtain the desired solution?
Answers: 1
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Mathematics, 22.06.2019 03:00
More than 450450 students traveled to a state park for a field trip. the school allowed 66 students to travel by car, and the rest traveled on 1111 buses, each of which held the same number of students. if there were ss students in each bus, which inequality best represents this situation?
Answers: 1
You need a 15% alcohol solution. on hand, you have a 210 ml of a 35% alcohol mixture. how much pure...
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