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Lemur [1.5K]
3 years ago
13

Select all the inrational numbers from the list

Mathematics
2 answers:
snow_tiger [21]3 years ago
8 0

B is one.

A < C and D are rational

Im thinking about E.  It looks like a recurring  decimal at first sight but I think its irrational.

Artist 52 [7]3 years ago
7 0

The square root of 16 = 4, <em>therefore it is </em><em>not </em><em>an irrational number.</em>

The square root of 7 = 2.64575131106... <em>therefore it </em><em>is</em><em> an irrational number.</em>

823.1 ends at 1, <em>therefore it is </em><em>not</em><em> an irrational number.</em>

-9 does not continue forever, <em>therefore it is </em><em>not</em><em> an irrational number.</em>

8.070070007... continues on forever, <em>therefore it </em><em>is</em><em> an irrational number.</em>

Thus, the irrational numbers here are: √7 and 8.070070007...

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Step one: Subtract $15 - $5.50 = $9.50 
<span>Step two: divide $9.50 ÷ $15 = .633 (rounded) </span>
<span>Step three: Multiply .633 * 100 to change it to a percent. It becomes 63.3% (rounded) </span>
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<span>Proof: $15 * .63333 = $9.50 </span>
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