3 years ago

K/1.5 = 3 what is k though? pls help me

Mathematics

1 answer:

Mekhanik [1.2K]3 years ago

3 0

Answer: k = 4.5

Step-by-step explanation:

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$\bf \textit{volume of a sphere}\\\\
V=\cfrac{4}{3}\pi r^3\qquad 
\begin{cases}
r=radius\\
------\\
V=3600
\end{cases}\implies 3600=\cfrac{4}{3}\pi r^3
\\\\\\
3600=\cfrac{4\pi r^3}{3}\implies \sqrt[3]{\cfrac{3\cdot 3600}{4\pi }}=\boxed{r}\\\\
-----------------------------\\\\
\textit{surface area of a sphere}\\\\
S=4\pi r^2\implies S=4\pi \left(\boxed{\sqrt[3]{\cfrac{3\cdot 3600}{4\pi }}} \right)^2$

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

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