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Olin [163]
3 years ago
11

15 DVDs, 1/5 were documentaries. How many of the movies were documentaries

Mathematics
2 answers:
o-na [289]3 years ago
8 0

Answer:

I think the answer should be 3.

Maksim231197 [3]3 years ago
3 0

Answer:

3 of the DVDs were documentaries.

Step-by-step explanation:

We know that at first, there were 15 DVDs in total.

Now, we need to find how much 1/5 of 15 DVDs were equal to.

1/5 of 15 is equal to the number 3.

So, that means our answer is 3 of the DVDs are documentaries.

Hope this helps.

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Law of radicals
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1)  \sqrt{x^7}=x^{\frac{7}{2}

2)  \sqrt[3]{y^5}=y^{\frac{5}{3}

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Step-by-step explanation:

1) \sqrt{x^7}

We know that \sqrt{x}=x^{\frac{1}{2}

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We know that \sqrt[3]{x}=x^{\frac{1}{3}

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