3 years ago

Integers help please

Mathematics

2 answers:

masya89 [10]3 years ago

7 0

Answer:

${5}^{ - 13}$

Step-by-step explanation:

$\frac{ {5}^{ - 5} }{ {5}^{8} } = {5}^{ - 5} \div {5}^{8} \\ = {5}^{ - 5 - 8} \\ = {5}^{ - 13}$

Harlamova29_29 [7]3 years ago

5 0

The correct answer is 1/5^13

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The ratio of the sides of 2 cubes is 2 to 7. If the volume of the smaller cube is 32 u3, then the volume of the larger cube is _

satela [25.4K]

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

$\bf \cfrac{small}{large}\qquad \cfrac{s}{s}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\implies \cfrac{2}{7}=\cfrac{\sqrt[3]{32}}{\sqrt[3]{v}}\implies \cfrac{2}{7}=\sqrt[3]{\cfrac{32}{v}}\implies \left( \cfrac{2}{7} \right)^3=\cfrac{32}{v}
\\\\\\
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5 0

3 years ago

Which equation is correct?

galben [10]

Answer:

4 (14.14=142=28)

Because 14 in 7 times-table, 142 in 7 times-table and 28 in 7 times-table.

8 0

3 years ago

Read 2 more answers

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