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22.07.2019 •
Mathematics
What is the approximate volume if this cone 9cm by 15cm a. 1272cm3 b.2120cm3 c.4239cm3 d.6359cm3 hurry!
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Ответ:
Short A. 1272 cm³
Why?
When finding the volume of a cone, you use the formula V = πr²h/3. R = 9, H = 15. V = π9²15/3 9² = 81 | 15 / 3 = 5 | 3.14 * 81 = 254.34 | 254.34 * 5 = 1271.2 1272 rounded.
Hope this helped you! ♥
Ответ:
Given that : g(x) = 4x + 4 .
So , in order to find the value of g(4) , just substitute x = 4 in the given function .
Here ,
=> g(x) = 4x + 4 .
=> g(4) = 4 × 4 + 4 .
=> g(4) = 16 + 4 .
=> g(4) = 20 .
Hence the required answer is 20.