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gulaghasi [49]
3 years ago
5

Find the volume please

Mathematics
1 answer:
makkiz [27]3 years ago
6 0

Answer:

586.4 in

Step-by-step explanation:

i) V1 = πr²h

       = π x 4² x 9

       = 452.4

ii) V2 = 2/3 x π x r³

         = 2/3 x π x 4³

         = 134

iii) V = V1 + V2

    V = 452.4 + 134

        = 586.4

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Hi,

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3 years ago
There are 9 people that have a conversation with each other exactly one time.
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The question is an illustration of arithmetic sequence.

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<u />

<u>(a) 9 people</u>

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Read more about arithmetic sequence at:

brainly.com/question/18109692

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