Mathematics, 30.05.2021 14:00 ahankaranth
y is directly proportional to the positive square root of x when x = 9, y= 12 find y when x =1/2
Answers: 3
then the equation relating them is
= 3k ( divide both sides by 3 )
, then
= 4 × 
← rationalise the denominator by multiplying by 
× 
= 2
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y is directly proportional to the positive square root of x when x = 9, y= 12 find y when x =1/2...
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