Solve the problem using Gaussian elimination.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 100 black, 110 white and 90 red wires. How many of each cable were made?
A. 20 cable A
30 cable B
10 cable C
B. 10 cable A
30 cable B
20 cable C
C. 10 cable A
30 cable B
93 cable C
D. 10 cable A
103 cable B
20 cable C
Answer: B
You might also like to view...
Express the given vector in terms of the unit vectors i, j, and k. : (0,3,-5)
What will be an ideal response?
Find the center of mass of a thin plate of constant density covering the given region.The region enclosed by the parabolas y = - x2 + 18 and y = x2
A. 
= 0, 
= 18
B. 
= 0, 
= 
C. 
= 0, 
= 9
D. 
= 9, 
= 0
Find the volume of the solid. Use 
for ?.
A. 18
cu in.
B. 55
cu in.
C. 13
cu in.
D. 2
cu in.
Solve the problem.The function 
describes the volume of the box shown, in cubic inches, whose height is x inches. Factor the expression for V(x) and write the function in completely factored form. Use the factored form of the function to find 
A. V(x) = x(4x + 5)(x + 7); 510 in.3 B. V(x) = (4x2 + 7x)(x + 5); 456 in.3 C. V(x) = x(4x + 7)(x + 5); 456 in.3 D. V(x) = (4x2 + 5x)(x + 7); 510 in.3