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Yuri [45]
3 years ago
13

103. Please help me!10 points! Thanks.

Mathematics
1 answer:
Inessa05 [86]3 years ago
8 0
The formula for the surface area of a sphere is 4πr^2

This can be used in the following way, getting the diameter at 18.3:
18.3/2 = 9.15
Saying PI is 3.14 you can do this:

SA = 4*3.14*9.15^2 = 1051.6 m^2

Formula for volume is:
(4/3)πr^3

V = (4/3)*3.14*9.15^3 = 3207.2 m^3
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The function rule h = 16 + 2.5n represents the height h, in inches, of a stack of traffic cones.
andrew11 [14]
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7 0
3 years ago
Answer really quick please
Sergio [31]

Answer:

1

Step-by-step explanation:

Please mark as brainliest!

4 0
2 years ago
Read 2 more answers
The dot plots below show the results.
shutvik [7]

Answer: The median for the students is 2 and the median for the teachers is 3.

Step-by-step explanation:

Ordering the data for the students from the dot points:

0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4.

n = 20 which is positive so median position is average of:

= (n / 2)                                     and                                = (n + 1) / 2

= 20 / 2                                                                           = 21 / 2

= 10                                                                                 = 10.5

2 is in position 10                                                         2 is in position 10.5

Average = (2 + 2) / 2 = 2

Student median is 2.

Teachers

0, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 8

3 is in position 10 as well as in position 10.5.

= (3 + 3) / 2

= 3

Teacher median is 3.

<em>(In attachment, teacher plot is first and then the student follows)</em>

8 0
3 years ago
Read 2 more answers
What is the value of 3xy+5x-y/2 if x=12 and y=8
ExtremeBDS [4]
3(12)(8)+5(12)-(8)/2
3(96)+60-8/2
298+62/2
298+31=329
your answer is 329
3 0
3 years ago
Use the distributive property to demonstrate that the product of 10 and -<img src="https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B5%7
STALIN [3.7K]
1) 10/1 x (-1/5)

2) (10 • -1) / (1 • 5)

3) -10/5

4) -2

the answer is -2

8 0
3 years ago
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