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maksim [4K]
4 years ago
5

Simultaneous equation.

Mathematics
1 answer:
GrogVix [38]4 years ago
3 0

Answer:

3.You collect

4.Multiply the bottom by 4 and then add

5.Multiply the bottom by -2 and then add

6.Multiply the bottom by 2.Multiply the top by 3 and then add

7.Multiply the top by -3.Multiply the bottom by 2and then add

Step-by-step explanation:

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\bf \qquad \qquad \textit{inverse proportional variation} \\\\ \textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}

\bf \stackrel{\textit{\underline{p(v)} varies inversely with \underline{v}}}{p(v)=\cfrac{k}{v}}\qquad \textit{we also know that } \begin{cases} p(v)=25\\ v=200 \end{cases} \\\\\\ 25=\cfrac{k}{200}\implies 5000=k\qquad therefore\qquad \boxed{p(v)=\cfrac{5000}{v}}

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