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vesna_86 [32]
3 years ago
5

Determine the volume of a sphere with a great circle of radius 12 cm.

Mathematics
1 answer:
RUDIKE [14]3 years ago
5 0

Answer:

7238 cm³

Step-by-step explanation:

The radius of the great circle is the radius of the sphere.

The formula for the volume of a sphere is

V = ⁴/₃πr³

V = ⁴/₃π (12)³ = ⁴/₃π × 1728 = 2304π cm³ ≈ 7238 cm³

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In a class of 23 student the girls were 7 more than the boys how many boys were in the class​
Softa [21]

Answer:

x=# of boys

x+7=# of girls

x+x+7=25

2x+7=25

2x=25-7

2x=18

x=18/2

x=9 boys

x+7=16 girls

 

If you don't understand variables use trial and error.

 

Boys     Girls

1           8

2           9

3           10

4           11

5           12

6           13

7           14

8           15

9           16   9+16=25 students

 

You could start this way...

 

Boys     Girls

12        13

11        14

10        15

9          16     16 is 7 more than 9

5 0
3 years ago
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Lemur [1.5K]
815? but have a great day as well!
4 0
3 years ago
Identify a pair of factors of -35 that has a sum of -2​
lions [1.4K]

Answer:

-7 and 5

Step-by-step explanation:

-7*5= -35

-7+5=-2

5 0
3 years ago
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Find the hypotenuse of a right triangle if side a=3 and side b=4​
Slav-nsk [51]

Answer:

5 units

Step-by-step explanation:

By Pythagoras theorem:

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4 0
3 years ago
I'm not sure how to do the problem in the image I attached below... help.
yanalaym [24]
The answer is 5
Your welcome :)
3 0
2 years ago
Read 2 more answers
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