:( PLEASE HELP ME
A mad scientist mixes Solution A and Solution B to create Solution C....
Mathematics, 17.04.2020 21:00 istangot7
:( PLEASE HELP ME
A mad scientist mixes Solution A and Solution B to create Solution C.
Solution C is 90 ml in volume and 40% acid (by volume).
Solution A is 20% acid.
Solution B is 50% acid.
How much of each solution is needed to create the final mixture C? Which system of linear equations would you use to set up the problem? Solve the system afterwards.
A. A + B = 90
.2A + .5B = .4(90)
B. A+B = 90
.2A + .5B = .4
C. A + B = 36
.5A + .2B = .4
D. A + B = .4 (90)
.2A + .5B = .4( 90)
Answers: 2
Mathematics, 21.06.2019 19:00, jackieanguiano3700
Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18
Answers: 1
Mathematics, 21.06.2019 23:30, shady1095
Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.
Answers: 1
Mathematics, 22.06.2019 04:00, myhomeacc32
Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.
Answers: 1
Mathematics, 24.04.2020 05:58
English, 24.04.2020 05:58
History, 24.04.2020 05:58
Biology, 24.04.2020 05:58
Mathematics, 24.04.2020 05:58
Mathematics, 24.04.2020 05:58