<img src="https://tex.z-dn.net/?f=y%20%7B%7D%5E%7B3%7D%20%20%3D%2081" id="TexFormula1" title="y {}^{3} = 81" alt="y {}^{3} = 8

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Nata [24]

3 years ago

1" align="absmiddle" class="latex-formula">
what is the number for "y"

Mathematics

1 answer:

zvonat [6]3 years ago

3 0

Y = $3\sqrt[3]{3}$

81 is the same as 3 x 3 x 3 x 3. Therefore we can take out three of the four 3s and leave one inside the cube root radical.

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