Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 6% acid by volume, another 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of
solution.
A. No solution
B. 50 cc of the 6% solution and 50 cc of the 10% solution
C. 25 cc of the 6% solution and 25 cc of the 10% solution
D. 4 cc of the 6% solution and 46 cc of the 10% solution
Answer: C
You might also like to view...
Find the value.If F(x, y) = ex sinh y, find Fx(-2, 0) and Fy(-2, 0).
A. Fx(-2, 0) = e-2, Fy(-2, 0) = 0 B. Fx(-2, 0) = e-2, Fy(-2, 0) = e-2 C. Fx(-2, 0) = 0, Fy(-2, 0) = 0 D. Fx(-2, 0) = 0, Fy(-2, 0) = e-2
Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.3 + 12 + 27 + . . . + 75
A.
B.
C.
D.
Provide an appropriate response. What is the measurement needed of the third side of a triangle with two sides of 7 m and 14 m to make it a 30°, 60°, 90° triangle?
A. 4.04 m B. 3.5 m C. 9.90 m D. 12.12 m
Find the domain of the rational expression.
A. {x|x is a real number and x ? 1 and x ? 7} B. {x|x is a real number and x ? -1 and x ? -7} C. {x|x is a real number and x ? 1 and x ? -7 and x ? 7} D. {x|x is a real number and x ? -1 and x ? -7 and x ? 7}