Translate the problem to a system of equations, then solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1200 liters per hour. What is the flow in each pipe?

A. 600 liters/hr hot, 400 liters/hr cold
B. 400 liters/hr hot, 600 liters/hr cold
C. 720 liters/hr hot, 480 liters/hr cold
D. 480 liters/hr hot, 720 liters/hr cold


Answer: C

Mathematics

You might also like to view...

Find the vector projv u.v = 3j, u = 4i + 3k

A. i  + j 
B. i  + j  +  k
C. j
D. 0

Mathematics

Evaluate the expression with the given replacement values.x5; x = -2

A. -10 B. 32 C. -32 D. 10

Mathematics

Find the range of the given function.f(x) = -x2 + 5x - 5

A.
B.
C.  
D.

Mathematics

Provide an appropriate response.Explain how the equation log x = 1 could be solved using the graph of f(x) = log x.

What will be an ideal response?

Mathematics