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lesya [120]
3 years ago
8

What is the simplified form of the following expression?

Mathematics
1 answer:
kogti [31]3 years ago
5 0

Answer:

\sqrt{3}


Step-by-step explanation:

We will be using 2 properties of radicals in this simplification (outlined below).

  • \sqrt{a*b}=\sqrt{a}* \sqrt{b}
  • \sqrt{a}*\sqrt{a}=a

<em>Let's simplify this:</em>

2\sqrt{27} +\sqrt{12} -3\sqrt{3}-2\sqrt{12}\\ =2\sqrt{9*3}+\sqrt{4*3} -3\sqrt{3}-2\sqrt{4*3} \\=2\sqrt{9} \sqrt{3} +\sqrt{4} \sqrt{3}-3\sqrt{3}-2\sqrt{4} \sqrt{3} \\=2(3)\sqrt{3}+(2)\sqrt{3} -3\sqrt{3}-2(2)\sqrt{3} \\ =6\sqrt{3} +2\sqrt{3}-3\sqrt{3}-4\sqrt{3}  \\=\sqrt{3}


First answer choice is right.

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Answer:

21

Step-by-step explanation:

Add all the numbers together

6+8+2.5+2.5+2=21

6 0
3 years ago
3/8 - 10/13<br><br> -7/5<br> -30/104<br> -41/104<br> -39/80
salantis [7]

Answer:

-41/104

Step-by-step explanation:

Simplify   3/8 and 10/13 then calculate the least common multiple, calculate multipliers, make equivalent fractions and Add fractions that have a common denominator for your final answer.

           

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3 years ago
Find the measure of this angle in degrees.​
Fantom [35]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
2.1 , - 6/10 , -9/4 , -0.75 , 5/3 , least to greatest
WINSTONCH [101]

Answer:

-9/4, -0.75, -6/10, 5/3, 2.1

Step-by-step explanation:

This is a lot easier to figure out if you simplify the fractions and then change them to decimals

So -9/4 = -2 1/4 or -2.25

-0.75

-6/10 = -0.60

5/3 = 1 2/3 or 1.67

2.1

When you are ordering negatives, the biggest negative is the least. That is why -9/4 (-2.25) is the least number out of the five given.

The next one would be -0.75, because it is the second biggest negative fraction.

The next one is -0.60 because that is the 3rd biggest negative fraction (or the smallest because this is the last negative)

Now, because we're in the positives we start with 1.67, because it is smaller than the other number.

2.1 is our last number, so it is the greatest!

I hope this helped :)

6 0
3 years ago
Which fraction can be represented with a repeating decimal?<br> 3/20<br> 12/5<br> 7/16<br> 4/11
Dmitry [639]

Answer:

Thanks for asking!

Step-by-step explanation:

The answer would be 4/11. 3/20 in decimal form is 0.15. 12/5 is 2.4. 7/16 is 0.4375. 4/11 is 0.36 repeating.

8 0
3 years ago
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