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enya.gold Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ 5 }{ x } = \frac{ x }{ 8 }\]
 one year ago

marsss Group TitleBest ResponseYou've already chosen the best response.1
40=4*10 sqrt40=sqrt(4*10) sqrt40=sqrt4*sqrt10 sqrt40=2*sqrt10
 one year ago

enya.gold Group TitleBest ResponseYou've already chosen the best response.0
Cross multiply. \[x^{2} = 40\] Where does the 10 come in? Did you divide?
 one year ago

Kitt020912 Group TitleBest ResponseYou've already chosen the best response.0
2 sqrt(10)~~6.32456
 one year ago

enya.gold Group TitleBest ResponseYou've already chosen the best response.0
I see. You eliminated the exponent and then square root 40. Okay, got it. :)
 one year ago
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