-1/2 -(-1/5 to the 2nd power)

Mathematics

1 answer:

Thepotemich [5.8K]3 years ago

6 0

The answer is -27/50

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ANSWER QUICKLY BRAINLIEST

NeTakaya

Answer:

The Answer would be No

Step-by-step explanation:

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3 years ago

A giant scoop, operated by a crane, is in the shape of a hemisphere of radius 21 inches. The scoop is used to transfer molten st

eduard

Answer:

31.5 in

Step-by-step explanation:

Volume of a hemisphere = (2/3) $\pi$ r³
(where r is the radius)
Volume of a cylinder = $\pi$ r²h
(where r is the radius and h is the height)
radius r = (1/2) diameter

First, find the volume of the scoop using the volume of a hemisphere formula with r = 21:

Volume = (2/3) $\pi$ x 21³ = 6174 $\pi$ in³

Now equate the found volume of the scoop to the equation of the volume of a cylinder with r = 14, and solve for h:

$\pi$ 14²h = 6174 $\pi$

196 $\pi$ h = 6174 $\pi$

Divide both sides by $\pi$ : 196h = 6174

Divide both sides by 196: h = 31.5

Therefore, the height of the molten steel in the storage tank is 31.5 in

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2 years ago

The number of cats increased from 1650650 to 2250015. What is the percentage change to the nearest tenth?

Luden [163]

First you have to subtract 2250015 by 1650650 and the answer is 599365

The you add 2250015 to 1650650 and the answer is 3900665 so you divide

599365 by 3900665 and multiply by 100 and the final result is 517.325002

And to the nearest ten is 517.3 because 2 is below five to round up

Final answer— 517.3

Hope this helps

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3 years ago

Reading is what grammar element

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Story Grammar Element

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At the airport, there is a $25 fee for each bag that is 50 pounds or less. If a bag is over 50 pounds, the

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