10070030050

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10070030050

Post by ada » Thu Nov 23, 2017 4:41 pm

$r$ is directly proportional to the square of $s$. When $r=15, s=5$. Find $r$ when $s=15$
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[phpBB Debug] PHP Warning: in file [ROOT]/vendor/twig/twig/lib/Twig/Extension/Core.php on line 1266: count(): Parameter must be an array or an object that implements Countable
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/twig/twig/lib/Twig/Extension/Core.php on line 1266: count(): Parameter must be an array or an object that implements Countable
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