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Yuri [45]
3 years ago
13

Brainliest, 35 points

Mathematics
1 answer:
Hitman42 [59]3 years ago
5 0

Answer:

13 1/2

Step-by-step explanation:

9 ÷ 2/3

Copy dot flip

9 * 3/2

27/2

Change from an improper fraction to a mixed number

2 goes into 27 13 times with 1 left over

13 1/2

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2x21 = 42

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3 years ago
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3 years ago
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Help me please,Thanks
Dima020 [189]
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2 years ago
Solve the following quadratic equation<br>5х2 - 10x – 21 = 39​
-BARSIC- [3]

Answer:

x=1+√13 or x=1−√13

Step-by-step explanation:

Step 1: Subtract 39 from both sides.

5x2−10x−21−39=39−39

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