Mathematics, 05.10.2021 08:20, jennyrr9021
You need a 75% alcohol solution. On hand, you have a 25 mL of a 10% alcohol mixture. You also have 80%
alcohol mixture. How much of the 80% mixture will you need to add to obtain the desired solution?
You will need
mL of the 80% solution
Answers: 3
Mathematics, 21.06.2019 14:00, jess4kids
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.)
Answers: 3
Mathematics, 21.06.2019 19:50, Sourcandy
Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27
Answers: 1
Mathematics, 21.06.2019 21:00, ambermcneil3839
Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?
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You need a 75% alcohol solution. On hand, you have a 25 mL of a 10% alcohol mixture. You also have 8...
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