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OpenStudy (anonymous):
if y varies inversely with x, and if y= 10 when x= 1.2, then what is the value of x when y=30 ? A) 0.4 B) 0.6 C) 0.8 D) 10 E) 12 Can u guys explain please :D
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OpenStudy (akshay_budhkar):
do you know what inversley varying means?
OpenStudy (lalaly):
y=k/x 10=k/1.2 k=12 30=12/x x=12/30 = 0.4
OpenStudy (akshay_budhkar):
it is when y=k/x where k is a constant..
OpenStudy (akshay_budhkar):
oh!!! lana has done the job!! thanks lana!
OpenStudy (anonymous):
thank you guy :DDD
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