4 years ago

600 is 1/10 of6000 true or false

1 answer:

6 0

True. If you want to know 1/10 of something, move the decimal place to the left.

6,000. then move it to the left once 600.0

and if you want to multiply something by ten, just add a zero
600 add zero and it's 6,000

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Write an equation of the line that passes through the points (2,-4) and (0,-4)

lions [1.4K]

Answer:

slope-intercept formula -----> Y2-Y1/X2-X1

Step-by-step explanation:

X1= 2 X2= 0

Y1= -4 Y2= -4

-4+4/0-2=0

8 0

3 years ago

the intake pipe can fill a certain tank in 6 hours when the outlet pipe is closed, but with the outlet pipe open it takes 9 hour

Leona [35]

The outlet pipe will take 18 hours to empty the tank.

St<u>ep-by-step explanation:</u>

Number of hours taken by inlet pipe to fill the tank=6

work done by the inlet pipe in 1 hour=1/6

Number of hours taken by the inlet pipe to fill the tank with the outlet pipe open=9

work done by the inlet pipe in 1 hour with outlet pipe open=1/9

we have to determine the time taken by the outlet pipe to empty the tank

The inlet and outlet pipe does the opposite work.

$\\time\ taken\ by\ the\ outlet\ pipe\ to\ empty\ the\ tank=x\\work\ done\ by\ the\ outlet\ pipe\ in\ 1\ hour=1/x\\(1/6-1/x)9=1\\1/6-1/x=1/9\\1/x=1/6-1/9=3/54\\x=54/3=18$