3 years ago

9(r-s)+5(2r-2s) ? !!!!!!

Mathematics

2 answers:

Novay_Z [31]3 years ago

6 0

Answer:

19r-19s

Step-by-step explanation:

kiruha [24]3 years ago

3 0

9(r-s)+5(2r-2s) = 11r-11s

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(<img src="https://tex.z-dn.net/?f=%20%28%5Cfrac%7B2%7D%7B3%7D%20x%5E%7B-3%7D%20y%5E%7B4%7D%20z%5E%7B2%7D%29%5E%7B3%7D%20%20%20"

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$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
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\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}
\\\\
-------------------------------$

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\\\\\\
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4 years ago

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