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skelet666 [1.2K]
3 years ago
7

10/9+(-11/90) evaluate

Mathematics
2 answers:
luda_lava [24]3 years ago
6 0

Answer:

Step-by-step explanation:

10/9 + (-11/90)

100/90 + (-11/90) = 89/90

brilliants [131]3 years ago
4 0
There you go! Hope this helps :)

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the lateral area of a cone is 574 pi cm2. The radius is 19.6 cm. What is the slant height to the nearest tenth of a centimeter?
bulgar [2K]
\bf \textit{lateral area of a cone}\\\\
LA=\pi r\sqrt{r^2+h^2}~~
\begin{cases}
r=radius\\
\sqrt{r^2+h^2}=slant~height\\
-----------\\
LA=574\pi \\
r=19.6
\end{cases}
\\\\\\
574\pi =\pi (19.6)\sqrt{r^2+h^2}\implies \cfrac{574\pi }{19.6\pi }=\sqrt{r^2+h^2}
\\\\\\
\cfrac{574}{19.6}=\sqrt{r^2+h^2}
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