kbowers10 kbowers10

14-10-2020
Mathematics

contestada

Which expression shows the sum 9 + 21 rewritten as a product of the GCF and a sum?

O 9(1 + 21)
O 3(3 + 7)
O 3(3 + 21)
O 9(1 + 3)

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AngelaS828 AngelaS828

14-10-2020

I don’t know all that but I do know this information: 9+21 is 30. GCF of 9 and 21 is 3.

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payton81724 payton81724

14-10-2020

Answer:

3(3+7)

Step-by-step explanation: you factor out the greatest common multiple. 3 times 3 is 9 and 3 times 7 is 21

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