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Ann [662]
3 years ago
12

The mean of 5,7,9 show that the mean of these numbers is 7

Mathematics
1 answer:
olasank [31]3 years ago
3 0

Answer: 7

Step-by-step explanation:

5+7+9=21

3 total numbers to start with so;

21/3=7

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Use the disk method or the shell method to find the volumes of the solids generated by revolving the region bounded by the graph
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Answer:

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     = ( 2π ) [x^2 - 2/5*x^5/2 ]⁴₀

vol = ( 2π ) ( 16/5 ) = 32/5 π

<u>d) The line x = -1    (using shell method )</u>

p = 1 + x

h = 2√x

vol = (2\pi ) \int\limits^4_0 {ph} \, dx

Hence   vol = 176/15 π

attached below is the graphical representation of P and h

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