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Ostrovityanka [42]
1 year ago
10

Example

Mathematics
1 answer:
Anestetic [448]1 year ago
7 0

Nani wait what I don't know

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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)\pir³
    (where r is the radius)
  • Volume of a cylinder = \pir²h
    (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:

                                            \pi14²h = 6174\pi

                                            196\pih = 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

3 0
2 years ago
What is the range of the following data set?<br> 13, 17, 18, 15, 12, 21, 10
jarptica [38.1K]

Answer:

6    

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
An opera house has a seating capacity of 872 people with each ticket costing 50 Rupees .If the opera house is running for 15 day
Nataly_w [17]

Answer:

654000 Rupees

Step-by-step explanation:

If we assume that the opera house was full every day then it would be 872 x 50 for the price of 1 day

872 x 50 = 43600

We multiple that number by the amount of days open so is would be 43600 x 15

43600 x 15 = 654000

Therefore it will make 654000 Rupees

7 0
3 years ago
A store owner uses a selling price of 125%of the cost of an item. If a pair of jeans has a sales price of 33.50, what cost does
Alina [70]

Answer:

It would be $62.62 because basically you want to do 52.50 times 1.25

3 0
2 years ago
The number of girls, g, in a room is four more than two times the number of boys, b. Half of the number of girls in the room min
stira [4]
There are 8 girls.
and 2 boys.
6 0
3 years ago
Read 2 more answers
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