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xenn [34]
3 years ago
13

Which number sentence illustrates the commutative property of addition?

Mathematics
1 answer:
Serhud [2]3 years ago
6 0
The correct answer is B.
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2x+3+x=18 can you guys help the developer solve this
emmainna [20.7K]

2x+3+x=18

2x+x= 3x

3x+3=18

18 - 3 = 15

3x = 15

x = 3

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Factor completely<br> m^2 — Зm — 18
lilavasa [31]

Answer:

(m + 3) (m - 6)

Step-by-step explanation:

Simplify the following:

m^2 - 3 m - 18

The factors of -18 that sum to -3 are 3 and -6. So, m^2 - 3 m - 18 = (m + 3) (m - 6):

Answer: |

| (m + 3) (m - 6)

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3 years ago
If a triangle is a right triangle, then the triangle has 90 angle.
Sloan [31]

Answer:

True

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emmasim [6.3K]

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What are the solutions to m2 – 9 = 0?
stiv31 [10]

Answer:

m=-3

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m2-9=0

2 divied by 9 =3

when you have a positive number and a negitive number =a negitive

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