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myrzilka [38]
3 years ago
7

Use the Law of Syllogism to form a new conditional statement that follows from the pair of true statements.

Mathematics
1 answer:
irakobra [83]3 years ago
8 0
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Find the work (in ft-lb) required to pump all the water out of a cylinder that has a circular base of radius 7 ft and height 200
Virty [35]

Answer:

<em>work done is equal to 384279168 lb-ft</em>

<em></em>

Step-by-step explanation:

The cylinder has a circular base of 7 ft.

The height of the cylinder is 200 ft

The weight density of water in the cylinder is 62.4 lb/ft^3

First, we find the volume of the water in the cylinder by finding the volume of this cylinder occupied by the water.

The volume of a cylinder is given as \pi r^{2} h

where, r is the radius,

and h is the height of the cylinder.

the volume of the cylinder = 3.142* 7^{2}*200 = <em>30791.6 ft^3</em>

Since the weight density of water is 62.4 lb/ft^3, then, the weight of the water within the cylinder will be...

weight of water = 62.4 x 30791.6 = <em>1921395.84 lb</em>

We know that the whole weight of the water will have to be pumped out over the height of cylindrical container. Also, we know that the work that will be done in moving this weight of water over this height will be the product of the weight of water, and the height over which it is pumped. Therefore...

The work done in pumping the water out of the container will be

==> (weight of water) x (height of cylinder) = 1921395.84 x 200

==> <em>work done is equal to 384279168 lb-ft</em>

7 0
3 years ago
Solve the equation. Check for extraneous solutions. 9|9 – 8x| = 2x + 3
Bad White [126]
The answers of this equation are 39/37 and 6/5. To get the answers, the equation of the problem becomes 9(9-8x)=2x+3 and 9(8x-9)=2x+3. Then next step is to simplify first equation 1,
<span>81=74x+3.
After, equation 2 is simplified
</span><span>70x=3+81</span>
7 0
2 years ago
There is always a possibility that the decision reached in a hypothesis test is incorrect
bonufazy [111]

Answer:

True

Step-by-step explanation:

4 0
3 years ago
What is the area of the figure?<br> 4 ft<br> 4 ft<br> 2 ft<br> 8 ft
motikmotik
There is no figure :(
6 0
2 years ago
Refer to -DEFG
koban [17]
I think it’s GP! But honestly I have no clue! I’m sorry I hope someone can answer your questions! Sorry.
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3 years ago
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