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Anarel [89]
3 years ago
7

Can anyone help me with this please?

Mathematics
1 answer:
charle [14.2K]3 years ago
8 0

Answer:

huh

Step-by-step explanation:

this is hard like my butty cheeks

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An 18-meter-tall cylindrical tank with a 4-meter radius holds water and is half full. Find the work (in mega-joules) needed to p
Sliva [168]

Answer:

W = mgh

W = 226290 x 9.8 x 9

W = 19958778Joules

W= 19.958778MegaJoules

Step-by-step explanation:

Work to full the tank is

W = mgh.

m is the mass of the water.

But density = mass/volume, where volume is the volume of the complete the remaining half full of water to fill the cylindrical tank.

mass = density x volume.

Volume of cylinder = πr2h

Volume to fill the cylinder = (πr2h)/2.(half of total volume)

Volume = (22x4x4x9)/(7x2). Height used is 18/2 = 9m

Volume = 226.29m3.

Mass = density x volume= 1000 x 226.29 = 226290kg

Therefore, the work is

W = mgh

W = 226290 x 9.8 x 9

W = 19958778Joule = 19.958778MegaJoules

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3 years ago
What is the y-intercept of the line?
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Answer:

The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y axis.

Step-by-step explanation:

<em> got this answer from (www.Math.com) </em>

<em></em>

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What is 65/8 as a mixed number
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Answer:

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Answer:

listin or read but i will try to help you as much as i can

Step-by-step explanation:

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