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2 years ago

Calculate the volume of the sphere

Mathematics

2 answers:

AlexFokin [52]2 years ago

8 0

Answer:

This is the exact 38792.386086527 inche $s^{3}$

hoped this helped.

lisov135 [29]2 years ago

5 0

Answer:

38,772 in. Cubed.

Step-by-step explanation:

4/3 π r^3

3.14 to estimate for π.

4/3•π•21^3

4/3•π•9261

4.1866•9261

38,772.1026

Rounded: 38,772

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timofeeve [1]

Answer:

y-8

If Tia is 8 years younger than Annette and Annette is y years old, you just take y and subtract 8.

4 0

2 years ago

Chaz's new game room is shaped like a cube. It measures 15 feet across. If he wants to paint only the walls of the room, what is

dezoksy [38]

The surface area of the region he will paint is 900 sq.ft.

Step-by-step explanation:

Cubical room measures - 15 ft

Chaz want to paint only the walls of room

Surface of painting region means Lateral surface area (excluding top and bottom)

Lateral surface area of cube = $4a^2$

⇒ 4 * 15 *15

⇒ 900 sq.ft

The surface area of the region he will paint is 900 sq.ft.

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2 years ago

The range of the following relation R:

NemiM [27]

Answer:

{- 5, - 4, 2 }

Step-by-step explanation:

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3 0

2 years ago

I dont know how to do this

spin [16.1K]

Answer:

a) 55°

b) 125°

c) 55°

d) 55°

Step-by-step explanation:

a) 180-(90+35) = 55

b) this angle forms a straight angle with ∡a

c) this angle is vertical, and congruent, with ∡a

d) 180-(70+55) = 55

6 0

2 years ago

Eli walked 12 feet down the hall of his house to get to the door. He conti in a straight line out the door and across the yard t

EastWind [94]

Answer:

a. Check the diagram

b. He walked 58 feet

c. He is 18 feet far away from the house

Step-by-step explanation:

a. Eli started inside the house an walked 12 feet (blue arrow), after that he keep walking until the mailbox for 32 feet (green arrow) and after that he came back until the dog 14 feet (red arrow).

b. For calculating how far has he walked we need to take into acount all the travel so we add all the arrows:

12ft + 32ft + 14ft =58ft

He walked 58 feet.

c. The distance from the dog to the house is determine by the substraction between the distance to the mailbox with the distance he walked to the dog then:

32ft - 14ft = 18ft.

He is 18 feet far away from the house.

6 0

2 years ago