Mathematics, 24.06.2019 11:30 lollipop83
Ascientist needs 30% solution of acid. he has 4 liters of a 20% solution. how much pure acid does the scientist need to add to get the 30% solution? answer using a table and using one variable only.
Answers: 1
Mathematics, 21.06.2019 21:00
Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)
Answers: 1
Mathematics, 21.06.2019 22:10
Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min
Answers: 3
Mathematics, 22.06.2019 04:00
Which function has an inverse that is also a function? a. g(x) = 2x-3 b. k(x) = -9x2 c. f(x) |x+2| d. w(x) = -20
Answers: 1
Mathematics, 22.06.2019 06:00
Iwas absent when my class learned this and my teacher is to lazy to teach it to me explain this to me .
Answers: 1
Ascientist needs 30% solution of acid. he has 4 liters of a 20% solution. how much pure acid does th...
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