Answers: 3
Mathematics, 21.06.2019 15:00
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 15:50
Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?
Answers: 1
Mathematics, 21.06.2019 17:00
The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?
Answers: 1
Mathematics, 21.06.2019 21:00
Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)
Answers: 1
3/7x + 1 â…” subtracted from 3 2/7x - 2 4/9...
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