Mathematics, 30.08.2019 22:30 HyperZ
Suppose a lab needs to make 400 liters of a 39% acid solution, but the only solutions available to the lab are 20% acid and 50% acid. what system of equations can be used to find the number of liters of each solution that should be mixed to make the 39% solution? let c represent the number of liters of 20% acid solution and let d represent the number of liters of 50% acid solution.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 14:50
What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)
Answers: 1
Mathematics, 21.06.2019 20:30
What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?
Answers: 2
Mathematics, 22.06.2019 00:00
Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags
Answers: 2
Mathematics, 22.06.2019 01:30
Which point does not lie on the graph k(x) = 8 -3 √x a. (-64, 12) b. (125, 3) c. (343, 1) d. (8, 5)
Answers: 2
You know the right answer?
Suppose a lab needs to make 400 liters of a 39% acid solution, but the only solutions available to t...
Questions
Arts, 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
Spanish, 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
Advanced Placement (AP), 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
Mathematics, 21.12.2020 05:00
