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Reil [10]
3 years ago
13

What addition doubles fact can help you find 4 + 3 explain how you know

Mathematics
2 answers:
Triss [41]3 years ago
7 0
4 + 3 = 7
Hope this helps!
Xelga [282]3 years ago
6 0
An addition doubles fact that can help me find 4 + 3 is 3 + 4. I know because 4 + 3 is the same as 3 + 4 and if I know 3+4  I know 4 + 3 because of the communitive property. 
(Thats what my teacher told me what was correct) 
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ad-work [718]

Answer:

7r³ - 3r² + 20r

Step-by-step explanation:

(9r³ + 5r² + 11r) + (-2r³ + 9r - 8r²)

You can get rid of the parentheses since there is nothing to distribute.

9r³ + 5r² + 11r - 2r³ + 9r - 8r²

Combine like factors.

7r³ - 3r² + 20r

3 0
3 years ago
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77julia77 [94]

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3 years ago
What is the circumference of circle with a diameter of 9 feet? Use 3.14 for tt
ankoles [38]

Answer:

28.26

Step-by-step explanation:

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4 0
3 years ago
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ValentinkaMS [17]

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