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neariah24
19.12.2020 •
Mathematics
Excuse my doodle! please help!
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Ответ:
f‐¹(x) = 4x² - 3, for x < 0.
Nice doodle :P
Ответ:
100.48
Step-by-step explanation:
Surface area of a cylinder =![2\pi r^2+2\pi rh](/tpl/images/1332/4730/46aeb.png)
Where r = radius and h = height
We are given the diameter ( 4 cm ) and the height ( 6cm )
To convert diameter to radius we simply divide by 2 ( because radius = half the length of the diameter )
4 / 2 = 2 Thus, r = 2
Now we plug in the values of the radius and height into the surface area of a cylinder formula ( note we must use 3.14 for π as the question says to. not doing so can result in a wrong answer )