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Ghella [55]
4 years ago
12

Is 1+3√15 rational number and why

Mathematics
2 answers:
Vitek1552 [10]4 years ago
5 0
Irrational because square root of 15 is irrational
denis23 [38]4 years ago
5 0
I think 12.6189
because 3<span>√15=11.6189
11.6189+1=12.6189</span>
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Lostsunrise [7]
Simplify both sides of the equation.

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</span><span>Simplify:

</span><span><span><span>−n</span>+25</span>=32

</span>Subtract 25 from both sides.

<span><span><span><span>−n</span>+25</span>−25</span>=<span>32−25

</span></span><span><span>−n</span>=7

</span>Divide both sides by -1.

<span><span><span>−n/</span><span>−1 </span></span>= <span>7/<span>−1

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</span></span>Ans:
<span>n = <span>−7</span></span><span>
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