Mathematics, 15.01.2020 15:31 EricaLSH7624
In a laboratory a pharmacist has 30% and 80% alcohol solutions. she needs 100ml of a 50% alcohol solution. how many milliliters of the 30% and 80% solutions should she mix?
this is from a homework i dont really understand would you mind showing your work
Answers: 2
Mathematics, 22.06.2019 01:00, jayjay9434
70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?
Answers: 1
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