Kirk Mejia
06/16/2023 · Junior High School
0. \( \sqrt{\frac{81}{225}} \) 3. \( \sqrt{\frac{36}{121}} \) 6. \( \sqrt{-\frac{100}{0,01}} \) 29. \( \sqrt{2 \frac{47}{121}} \)
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
Let's simplify each of the expressions step by step.
0. \( \sqrt{\frac{81}{225}} \)
First, we can simplify the fraction inside the square root:
\[
\frac{81}{225} = \frac{9^2}{15^2} = \left(\frac{9}{15}\right)^2 = \left(\frac{3}{5}\right)^2
\]
Now, taking the square root:
\[
\sqrt{\frac{81}{225}} = \frac{3}{5}
\]
---
3. \( \sqrt{\frac{36}{121}} \)
Similarly, we simplify the fraction:
\[
\frac{36}{121} = \frac{6^2}{11^2} = \left(\frac{6}{11}\right)^2
\]
Now, taking the square root:
\[
\sqrt{\frac{36}{121}} = \frac{6}{11}
\]
---
6. \( \sqrt{-\frac{100}{0.01}} \)
First, simplify the fraction:
\[
\frac{100}{0.01} = \frac{100}{\frac{1}{100}} = 100 \times 100 = 10000
\]
Now, we have:
\[
\sqrt{-10000}
\]
Since we are taking the square root of a negative number, we can express this in terms of imaginary numbers:
\[
\sqrt{-10000} = \sqrt{10000} \cdot i = 100 \cdot i = 100i
\]
---
29. \( \sqrt{2 \frac{47}{121}} \)
First, convert the mixed number into an improper fraction:
\[
2 \frac{47}{121} = \frac{2 \cdot 121 + 47}{121} = \frac{242 + 47}{121} = \frac{289}{121}
\]
Now, we take the square root:
\[
\sqrt{2 \frac{47}{121}} = \sqrt{\frac{289}{121}} = \frac{\sqrt{289}}{\sqrt{121}} = \frac{17}{11}
\]
---
In summary, the simplified results are:
0. \( \frac{3}{5} \)
3. \( \frac{6}{11} \)
6. \( 100i \)
29. \( \frac{17}{11} \)
Quick Answer
0. \( \frac{3}{5} \)
3. \( \frac{6}{11} \)
6. \( 100i \)
29. \( \frac{17}{11} \)
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