Write a system of equations and use the inverse of the coefficient matrix to solve the system.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red wires. Cable C requires 2 black, 1 white, and 2 red wires. They used 100 black, 110 white and 90 red wires. How many of each cable were made?
A. 10 cable A
103 cable B
20 cable C
B. 10 cable A
30 cable B
93 cable C
C. 10 cable A
30 cable B
20 cable C
D. 20 cable A
93 cable B
10 cable C
Answer: C
Mathematics
You might also like to view...
Solve the problem.Two angles of a triangle are 48° and 109°. Find the third angle.
A. 23° B. 157° C. 67° D. 203°
Mathematics
Evaluate the integral.
A. 35 B. -19 C. 56 D. 23.2
Mathematics
Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 10 miles per hour and Fred rides 14 miles per hour. In how many hours will they be 120 miles apart?
A. 5 hours B. 4 hours C. 6 hours D. Not enough information
Mathematics
Identify the polygon as a triangle, quadrilateral, pentagon, hexagon, or octagon.
A. quadrilateral B. hexagon C. triangle D. pentagon
Mathematics