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Alex73 [517]
3 years ago
10

What is the cube root of 27a^l2?-3a4-3a 3a 3a*​

Mathematics
1 answer:
GuDViN [60]3 years ago
4 0

Answer:

3a^4

Step-by-step explanation:

What is the cube root of  27a^{12}? This is the question.

We can write:

\sqrt[3]{27a^{12}}

We will use the below property to simplify:

\sqrt[n]{a*b}=\sqrt[n]{a}  \sqrt[n]{b}

So, we have:

\sqrt[3]{27a^{12}} =\sqrt[3]{27} \sqrt[3]{a^{12}}

We will now use below property to further simplify:

\sqrt[n]{x} =x^{\frac{1}{n}}

Thus, we have:

\sqrt[3]{27} \sqrt[3]{a^{12}} =3*(a^{12})^{\frac{1}{3}}

We know power to the power rule:  (a^z)^b=a^{zb}

Now, we have:

3*(a^{12})^{\frac{1}{3}}\\=3*a^{\frac{12}{3}}\\=3a^4

This is the correct answer:  3a^4

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With the given information, we can use a proportion to figure out how long it would take for Jen to bike 30 miles.

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tell whether the system has one solution, infinitely many solutions, or no solution. x = -7y + 24 x + 7y = 32
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