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jekas [21]
3 years ago
7

Find the surface area and the volume of sphere if radius is 6

Mathematics
1 answer:
Orlov [11]3 years ago
8 0

Answer:

Surface area of sphere: 4\pi r^{2}

Radius is 6.

Surface area of sphere: 4\pi (6)^2=144\pi =452.39 (2 decimal places)

-----------------------------------------------------------------------------------------

Volume of sphere: \frac{4}{3} \pi r^3

Radius is 6.

Volume of sphere: \frac{4}{3} \pi (6)^3=288\pi =904.78 (2 decimal places)

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Which number has a prime factorization of 2x2x5x5x7x7
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Answer:

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Step-by-step explanation:

multiply all those numbers together

2x2x5x5x7x7 = 4900

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3 years ago
Our library has 3,489 non-fiction books, 8,617 fiction books and 1,240 reference books. If there are 564 students and each stude
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9,962

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3 years ago
select the correct answer consider these functions f(x)=3x-7 g(x)=X +1/x-1 what is the value of f(g(3))
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Step-by-step explanation:

6 0
3 years ago
A friend has a 83% average before the final exam for a course. That score includes everything but the final, which counts for 25
Klio2033 [76]

Answer:

\mathrm{Best\:course\:grade\:possible:\:}87.25\%,\\\mathrm{Minimum\:score\:on\:final\:to\:earn\:at\:least\:a\:75\%\:for\:the\:course:\:}51\%

Step-by-step explanation:

Assuming the maximum score for the final is 100\%, we can multiply each score by its respective course weight and add them together to give a final score. If your friend did receive this maximum score of 100\%, their overall grade for the course would be:

83(1-0.25)+100(0.25)=\fbox{$87.25\%$}.

To find the minimum score they need to earn a 75% for the course, we set up the following equation:

83(1-0.25)+x(0.25)=75, where x is the minimum score she needs.

Solving, we get:

62.25+x(0.25)=75,\\x(0.25)=12.75,\\x=\fbox{$51\%$}.

8 0
2 years ago
Foster makes sandwiches at a deli. There are 8 1/2 (eight and one half) pounds of turkey at the deli. How many 1/4 (one fourth)p
atroni [7]

foster can make 42 1/4-pound turkey sandwiches

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3 years ago
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