4 years ago

Please help must equal 180 Solve for x. x = [?] 2x + 9 8x + 1

1 answer:

8 0

X=1 1/3 is that helpful because I don’t know if it’s right

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OleMash [197]

Answer:

75 minutes

Step-by-step explanation:

The rate at which the tank is filled up, F, and emptied, E, are respectively:

$F=\frac{V}{30}*60 = 2V/hour\\E=\frac{V}{50}*60 = 1.2V/hour$

Since V is the full volume of the tank, the time required to fill the tank if both pipes are open is given by:

$F-E=2V/hour-1.2V/hour = 0.8V/hour\\t= \frac{1}{0.8}=1.25\ hours = 75\ minutes$

It will take 75 minutes to fill the tank if both pipes are open.

4 0

3 years ago

Tanya [424]

Answer:

a human

Step-by-step explanation:

8 0

3 years ago

uysha [10]

Answer:

Step-by-step explanation:

6 0

3 years ago

Inessa [10]

It is 3x +5 = 2x -1 + x
i hope that is was some sort of help you are welcome

5 0

3 years ago

masya89 [10]

Answer:

Undefined or an infinite slope

Step-by-step explanation:

Since the line x = -24 is a vertical line at x = -24 and the value of the x-coordinate never changes no matter the y-coordinate, there is no slope.

6 0

3 years ago