Mathematics, 03.06.2020 17:57 XOsam
A scientist needs 120 mL of a 20% acid solution for an experiment. The lab has available a 10% solution and a 25%
solution. How many milliliters of the 10% solution and how many milliliters of the 25% solution should the scientist mix to
make the 20% solution?
Answers: 2
Mathematics, 21.06.2019 14:50
Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5
Answers: 1
Mathematics, 21.06.2019 19:30
When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41
Answers: 1
Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Mathematics, 22.06.2019 00:30
20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.
Answers: 1
A scientist needs 120 mL of a 20% acid solution for an experiment. The lab has available a 10% solut...
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