Solve the problem.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 80 red wires. How many of each cable were made?
A. 20 cable A
20 cable B
83 cable C
B. 10 cable A
20 cable B
20 cable C
C. 20 cable A
20 cable B
10 cable C
D. 20 cable A
93 cable B
10 cable C
Answer: C
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Solve the problem.The Redlich-Kwong equation provides an approximate model for the behavior of real gases. The equation is 
where P is pressure, V is volume, T is Kelvin temperature, and a,b , and R are constants. Find the derivative of the function with respect to each variable.
A. PV = 
+ 
; PT = - 
+ 
B. PV = 
- 
; PT = 
+ 
C. PV = 
+ 
; PT = 
- 
D. PV = 
- 
; PT = 
+ 
Find the distance d(A, B) between the points A and B.A = (4, 4); B = (4, 2)
A. 3
B. 2
C. 
D. 1
An inlet pipe on a swimming pool can be used to fill the pool in 35 hours. The drain pipe can be used to empty the pool in 40 hours. If the pool is half filled and then the drain pipe is accidentally opened, how long will it take to fill the pool? ? __________ hours
Fill in the blank(s) with the appropriate word(s).
Solve the system using Gauss-Jordan elimination. If the system has infinitely many solutions, show a general solution (in terms of z).
?
?
Please enter your answer in the form w = , x = , y = , z.
What will be an ideal response?