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Elden [556K]
3 years ago
8

0.252 divided by 4.2

Mathematics
1 answer:
bixtya [17]3 years ago
3 0

Answer:

0.06

Step-by-step explanation:

I got the answer right on my math test, so I hope this helps!

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The base of a rectangular tank measures 10 ft by 20 ft. The tank is 16 ft tall, and its top is 10 ft below ground level. The tan
sashaice [31]

Answer:

Step-by-step explanation:

Given a rectangular tank with dimension (10ft by 20ft by 16ft)

Then the volume of the tank is

Volume =length × breadth ×height

Volume=10×20×16=3200ft³

V=3200ft³

Then,

∆F= weight density × volume

∆F= 62.4×3200

∆F= 199,680 lb

Then,

Let the 0-point on the x-axis be at the bottom of the tank, so the level of the water ranges from x = 0 to x = 16ft. (It would just as well to let 0 be ground level and let x range from x = −26ft to x − 0.) Then a slice of water at level x is raised (26− x)ft

Then ∆x=(26-x)ft

Work is given as

W= -∫F∆xdx. From 0 to 16

W= -∫199,680(26-x)dx From 0 to 16

W=-199,680∫26-x dx From 0 to 16

W=-199,680 (26x-x²/2). From 0 to 16

W=-199,680(26×16-0.5×16² -0-0)

W=-199,680(288)

W=-57,507,840J

The work done to empty the tank is 57,507,840J

8 0
3 years ago
Read 2 more answers
Write the ratio 36:56 in its lowest terms.​
s2008m [1.1K]

Answer:

9: 14

Step-by-step explanation:

Both terms are divisible by 4.

7 0
3 years ago
State the domain of the relation {(0, 5), (5, 2), (0, −4), (1, 5)}.
disa [49]

Answer: B

Step-by-step explanation:

State the domain of the relation {(0, 5), (5, 2), (0, −4), (1, 5)}.

8 0
2 years ago
S=n(a1+an)/2 gives the partial sum of an arithmetic sequence. What is the formula solved for an?
Veseljchak [2.6K]
S = n(a1 + an)/2
2S = n(a1 + an)
2S = na1 + nan
nan = 2S - na1
an = (2S - n a1)/n
6 0
3 years ago
Read 2 more answers
What happens to the energy not output by a machine​
Sveta_85 [38]

Answer:

By using the energy conservation law, the input energy must be equivalent to the output energy.  If you measured output energy is lower than your input energy, you have lost that difference of energy either in mechanical inefficiency (friction, heat, etc.) or an energy sink.

Thus, the energy not output by the machine is lost in the process within the machine.

Cheers.

5 0
3 years ago
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