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dedylja [7]
3 years ago
9

A sphere has a diameter of 18 meters. Find the volume of the sphere, in cubic meters, in terms of π.

Mathematics
1 answer:
Gnom [1K]3 years ago
8 0
The formula of the volume of a sphere is 4/3(πr^3). Radius is 1/2 the diameter so if the diameter is 18, the radius is 9. Now we plug that into the formula 4/3(π9^3). Now we solve for the volume step by step. First 9^3 = 729. Now 4/3(729π). Now divide 729 by 3 and multiply by 4 so 4(729/3) = 972π. The volume of the sphere is 972π.
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Distance between (-15 , 18 and ( 20 ,18)
Kipish [7]

From the Formula:

Distance = Sqr Root [ (x2- x1)^2 + (y2 - y1)^2 ]

Distance = Sqr Root [ (20 --15)^2 + 18 -18)^2 ]

Distance = Sqr Root [ 1,225 + 0]

Distance = 35


8 0
3 years ago
A number b subtracted from 9.8 Is greater than -4
kupik [55]

The solution is: b < 13.8

Step-by-step explanation:

Let b be the number then according to given statement

9.8-b>-4

Subtracting 9.8 from both sides

9.8-b-9.8>-4-9.8\\-b > -13.8

We have to remove the minus sign in order to get the final solution.

Multiplying by -1

b < 13.8

Hence,

The solution is: b < 13.8

Keywords: Inequality, variables

Learn more about inequalities at:

  • brainly.com/question/3614284
  • brainly.com/question/3783529

#LearnwithBrainly

3 0
2 years ago
What is the distance between (-2 1/2,3)and(1,-3)
nikklg [1K]

Answer:

3

Step-by-step explanation:

due to the fact I really don't know

6 0
3 years ago
A pilot flies 540 miles in 2 hours. At this rate, how far can the pilot travel in 15 hours.
AveGali [126]

Answer:

C; In fifteen hours, the pilot can fly 4,050 miles.

Step-by-step explanation:

Okay, so distance = rate*time.

To find the rate, divide the distance by time.

540/2 = 270.

So, at this rate the pilot can fly 270 miles every hour. 270*15 = 4,050.

5 0
2 years ago
The ratio of the angles in a triangle is 2:3:4. What is the measure of the largest angle?
lianna [129]

Answer:

80

Step-by-step explanation:

you can take the ratio 2:3:4 as

2x + 3x + 4x = 180

9x = 180

x= 20

4(20) = 80

6 0
3 years ago
Read 2 more answers
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