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olchik [2.2K]
1 year ago
14

The answer is red show step by step of the pro tem to get the answer

Mathematics
1 answer:
miskamm [114]1 year ago
3 0

In order to rationalize the denominator of each expression, we need to multiply the expression by the same radical in the denominator, this way we can remove the radical from the denominator.

9)

\frac{5\sqrt{4}}{\sqrt{3}}(\cdot\sqrt{3})=\frac{5\sqrt{4}\sqrt{3}}{(\sqrt{3})^2}=\frac{5\cdot2\cdot\sqrt{3}}{3}=\frac{10\sqrt{3}}{3}

10)

-\frac{5}{3\sqrt{2}}(\cdot\sqrt{2})=-\frac{5\sqrt{2}}{3(\sqrt{2})^2}=-\frac{5\sqrt{2}}{3\cdot2}=-\frac{5\sqrt{2}}{6}

11)

\frac{2\sqrt{3}}{4\sqrt{5}}(\cdot\sqrt{5})=\frac{2\sqrt{3}\sqrt{5}}{4(\sqrt{5})^2}=\frac{2\sqrt{15}}{4\cdot5}=\frac{\sqrt{15}}{2\cdot5}=\frac{\sqrt{15}}{10}

12)

\frac{\sqrt{5}}{\sqrt{2}}(\cdot\sqrt{2})=\frac{\sqrt{5}\sqrt{2}}{(\sqrt{2})^2}=\frac{\sqrt{10}}{2}

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FromTheMoon [43]

The total amount shared by the friends illustrates mean and average, and the amount spent by each friend is $11.5

<h3>How to determine the amount?</h3>

The given parameters are:

  • Total = $76
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The amount spent by each friend is calculated using:

Amount = (Total + Tip)/Number of friends

So, we  have:

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Evaluate

Amount = 11.5

Hence, the amount spent by each friend is $11.5

Read more about mean and average at:

brainly.com/question/20118982

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8 0
2 years ago
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solmaris [256]

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5 0
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7ab+5 is the simplest it can be 
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PLEASE HELP I'M CONFUSED! The measures of two adjacent angles have a ratio of 3:5. The sum of the measures of the two adjacent a
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Can someone please explain to me where my teacher got the -3x - 15y = -135 from? I understand how to do this but I have no idea
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Step-by-step explanation:

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