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Mathematics

2 answers:

erica [24]3 years ago

8 0

The answer you’re looking for it’s D hopefully this helps

WINSTONCH [101]3 years ago

5 0

Answer: The answer is D. I hope this helpes you for school!

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

The height and radius of a cylinder are both enlarged by the same factor. The volume of the new cylinder is 64 times the volume

ioda

$\bf \qquad \qquad \textit{ratio relations}
\\\\
\begin{array}{ccccllll}
&Sides&Area&Volume\\
&-----&-----&-----\\
\cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3}
\end{array} \\\\
-----------------------------\\\\
\cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\\\\
-------------------------------\\\\$

$\bf \textit{let's enlarge them both radius and height by "k"}
\\\\\\
\cfrac{\textit{smaller cylinder}}{\textit{larger cylindder}}\qquad \cfrac{r}{kr}=\cfrac{h}{kh}=\cfrac{1}{k}\impliedby ratio
\\\\\\
\cfrac{1^2}{k^2}=\cfrac{\textit{original volume}}{\textit{64 times original}}\implies \cfrac{1}{k^2}=\cfrac{v}{64v}\implies \cfrac{1}{k^2}=\cfrac{1}{64}
\\\\\\
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3 years ago

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Step-by-step explanation:

$\huge{\underbrace{\overbrace{\mathfrak{\pink{Answer:}}}}}$

3(x2+2x-3)-4(4x2-7x+5)

3x2 + 6x - 9 - 16x2 + 28x - 20

-13x2 + 34x - 29

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3 years ago