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Virty [35]
3 years ago
15

Find the surface are of a sphere that has a diameter of square root of 29

Mathematics
1 answer:
brilliants [131]3 years ago
5 0

Hello!


The surface area of a sphere can be found using this equation: SA = 4πr².


The radius is half the diameter. So, half of √29 is √29 / 2, in simple terms.


SA = 4π(√29/2)²

SA = 4π(7.25)

SA = 4(7.25)π

SA = 29π

SA = 91.10618...


Therefore, the surface area of this sphere is 91.11 units².

Without multiplying π, the surface area is 29π units².

If the question asked substitute π for 3.14, the answer is 91.06 units².

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The conditional relative frequency table was generated using data that compares the favorite subjects of male and female student
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Answer: Using the information of the conditional relative frequency table, 123 students in the survey said that math was their favorite subject.


Solution:

1. The survey was given to 120 male students.

Acconding with the table, the proportion of male students with Math as favorite subject is 0.35. The quantity of male students with Math as favorite subject would be:

0.35(120)=42 male students


2. The survey was given to 180 female students.

Acconding with the table, the proportion of female students with Math as favorite subject is 0.45. The quantity of female students with Math as favorite subject would be:

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Then the total of students in the survey said that math was their favorite subject would be:

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3 years ago
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balandron [24]

Answer:

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