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Mathematics 20 Online
OpenStudy (noahbred):

What is the correct reason for statement 3? Prove: (2y) ∙ 4 + y = 9y Statements Reasons 1. (2y) ∙ 4 + y 1. Given 2. 4 ∙ (2y) + y 2. Commutative Property 3. (4 ∙ 2) ∙ y + y 3. 4. 8y + y 4. Commutative Property 5. 9y 5. Addition A. Multiplication B. Distributive Property C. Addition D. Associative Property

OpenStudy (noahbred):

@lightn1ng

OpenStudy (lightn1ng):

Distrubutive again. Notice how the question multiplies the "4" to whats in the bracket. So B

OpenStudy (noahbred):

ty

OpenStudy (danjs):

associative

OpenStudy (danjs):

4*(2*y) = (4*2)*y

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