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Readme [11.4K]
3 years ago
6

If x equals 3 calculate the value of 2x squared plus x

Mathematics
2 answers:
Korolek [52]3 years ago
6 0
2 × 3 = 6
6 squared = 36
36 + 3 = 39
Hope this helps!
BARSIC [14]3 years ago
3 0
2 x 3 = 6    
6² = 36
36 + 3 = 39

hope this helps you
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In the above figure, m AOC=26 and m BOD= (2x+39). If AOC and BOD are vertical angles whats the value if x?
Reika [66]

If AOC and BOD are vertical angles, the value of x is x = -6.5

<h3>How to determine the value of x?</h3>

The angles are given as:

m AOC = 26

m BOD = (2x+39).

From the question, we have

AOC and BOD are vertical angles

Vertical angles are equal.

So, we have:

AOC = BOD

Substitute the known values in the above equation

2x + 39 = 26

Subtract 39 from both sides

2x = -13

Divide bot sides by 2

x = -6.5

Hence, if AOC and BOD are vertical angles, the value of x is x = -6.5

Read more about vertical angles at

brainly.com/question/14362353

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Choose all the examples that can be measured using volume.?
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Can a triangle have sides with lengths 3 cm, 9 cm, and
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