05/20/20

#### How much liquid (in mL) was originally in the beaker with the 20% solution and how much liquid (in mL) was originally in the beaker with 15% solution?

You have one beaker which contains an unknown amount of a 15% iodine solution and another beaker which contains an unknown amount of a 20% iodine solution. You add only half of the 20% solution to... more

04/13/19

#### Statistics.. FInding what X is supposed to be in order to find the Z score?

Math SAT scores or all math majors in a school are normally distributed with a mean of 627 and a standard diviation of 60.5 at (x-n)627,60.5 if the school board wants to identify the top 5.5% of... more

04/07/19

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