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nadya68 [22]
3 years ago
8

Which algebraic expression is equivalent to this expression?

Mathematics
2 answers:
liraira [26]3 years ago
8 0

Answer: 16x + 7

Step-by-step explanation:

You just add all "like" terms

mel-nik [20]3 years ago
7 0

Answer:

A. 16x + 7

Step-by-step explanation:

(9x + 9) + (7x - 2)

Add like terms

9x+7x     +9-2

16x   +7

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(Angles) Only 14-17 please, do 15 if you want
Butoxors [25]

Answer:

N.14 ABC = 5x+20, N.15 ABE = 90. N.16. 123, 29, 28. N.17 K = 80

Step-by-step explanation:

Because of vertical angles, 5x+20 = 3x+66.

5x=3x+46

2x = 46

x = 23

Sum of angles in a circle is 360

360-135-135=180

ABE = CBD because vertical angles.

180 / 2 = 90

16.

Sum of angles in triangle is 180

180=123-x-2-x-3

x = 31

123, 29, 28.

17.

Sum of angles in triangle is 180

180-72-28 = 80

K = 80

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Rom4ik [11]
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3 years ago
Factor completely 3x^2 -x+5
il63 [147K]

Answer:

Hi there!

The correct answer for this question is: It cannot be factored. Sorry

8 0
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