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kati45 [8]
3 years ago
5

Which equivalent expression demonstrates the commutative property? Check all the apply.

Mathematics
2 answers:
sesenic [268]3 years ago
6 0

Answer:

The answers are actually-

13 + 2 + 9 = 2 + 13 + 9,

[29(14)] + 45 = [14(29)] + 45

Step-by-step explanation: I got it right on egdenuity.

alukav5142 [94]3 years ago
6 0

Answer:

13 + 2 + 9 = 2 + 13 + 9,

[29(14)] + 45 = [14(29)] + 45

Step-by-step explanation:

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\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
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%  (a,b)
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%  (c,d)
&({{ \square }}\quad ,&{{ \square }})
\end{array}\qquad
%   coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)\qquad thus
\\
----------------------------\\\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
A&({{ 0}}\quad ,&{{ -5}})\quad 
%  (c,d)
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\\ \quad \\
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\begin{cases}
\cfrac{{{ x_2 }} + {{ 0}}}{2}=3
\\ \quad \\
\cfrac{{{ y_2 }} + {{ -5}}}{2}=7
\end{cases}
\\ \quad \\
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