Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 4% acid by volume, another 11% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of 
solution.
A. 3.61 cc of the 4% solution and 46.39 cc of the 11% solution
B. 20 cc of the 4% solution and 20 cc of the 11% solution
C. No solution
D. 27 cc of the 4% solution and 23 cc of the 11% solution
Answer: D
You might also like to view...
Use the factor theorem to decide whether or not the second polynomial is a factor of the first.3x3 + 2x2 - 7x + 2; x + 2
A. Yes B. No
Solve the problem.In Antarctica, the high temperatures for the last four days have been 17.2°F, 5.6°F, 
and 
What is the average high temperature for this 
period?
A. 8.65°F B. 9.25°F C. 9.9°F D. 7.27°F
Solve the following system by any appropriate method. If there is no real number solution, so state.y2 + 3x2 = 37y2 - x2 = 1
A. (3, -
), (3, 
)
B. (4, 
), (4, -
), (-4, 
), (-4, -
)
C. (3, 
), (-3, 
)
D. (3, 
), (3, -
), (-3, 
), (-3, -
)
Divide.
A. 36 B. 3.6 C. 3.5 D. 35