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Westkost [7]
3 years ago
13

19.5+24+7.5=19.5 +24= +24=

Mathematics
2 answers:
ozzi3 years ago
8 0

Answer:

43.5=67.5  

Step-by-step explanation:

19.5+24=43.5

43.5+7.5=51

=

19.5+24= 43.5

43.5+24=67.5

sukhopar [10]3 years ago
7 0

Answer:

43.5=67.5  

Step-by-step explanation:

19.5+24=43.5

43.5+7.5=51

=

19.5+24= 43.5

43.5+24=67.5

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\large\displaystyle\text{$\begin{gathered}\sf \bf{ \left\{\begin{matrix} \ \ \ \dfrac{x}{y} = \dfrac{5}{7} \\ x^2+y^2 = 1184 \end{matrix}\right. \ \Longrightarrow \ x=\dfrac{5}{7}y  } \end{gathered}$}

\large\displaystyle\text{$\begin{gathered}\sf \bf{ \left (\dfrac{5}{7}y \right )^2+y^2=1184\ \Longrightarrow\ 25y^2+49y^2=58016 } \end{gathered}$}

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The fraction that satisfies the request is \bf{\dfrac{20}{28}} , since in \bf{\dfrac{-20}{-28}} the negative signs are canceled and the first fraction is obtained.

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