The correct answer is "The next fraction in the pattern is 342/324" because the denominator and numerator are being multiplied by three everytime. <span />
Answer:

Step-by-step explanation:
This triangle is a 45-45-90 triangle.
By using the image I posted, we can find x easily.
So, we have
as one of the sides.
They hypotenuse, which is x is just 
Simplify and we get x = 
The water flows 6 liters per minute in the other branch of pipe.
Step-by-step explanation:
Given,
Flow of water in main pipe = 10L/min
Flow of water in one branch = 4L/min
Flow of water in other branch = x
Flow of water in main pipe = Flow in one branch + Flow in other branch

The water flows 6 liters per minute in the other branch of pipe.
What? That dose not make any sense
Answer:
A. x = -2
Step-by-step explanation:
2x² + 7x + 6 = 0
2(-2)² + 7(-2) + 6 = ?
8 + -14 + 6 = 0