Mathematics: Choose the property that justifies the outcomes match them 4x+(5x+3)=9x+3 5(3x8)=15x8 1/5x5=1 a+b=b+a multiplicative inverses additive inverses associative property of multiplication associative property of addition

Choose the property that justifies the outcomes

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cstevenson

13.03.2022

Mathematics

-- associative property of addition ( a+(b+c)=(a+b)+c

);

2. $5\cdot (3\cdot 8)=(5\cdot 3)\cdot 8=15\cdot 8$ -- associative property of multiplication ( $(a\cdot b)\cdot c=a\cdot (b\cdot c)$ );

3. $\dfrac{1}{5}\cdot 5=1$ -- multiplicative inverses ( $a\cdot a^{-1}=a^{-1}\cdot a=1$ );

4. a+b=b+a -- commutative addition

5. a+b=b+a=0 -- additive inverses

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Ответ:

ricardoamora54

29.07.2020

Mathematics

650

Step-by-step explanation:

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Choose the property that justifies the outcomes 'match them' 4x+(5x+3)=9x+3 5(3x8)=15x8 1/5x5=1 a+b=b+a multiplicative inverses additive inverses associative property of multiplication associative property of addition

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