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If y varies inversely as x, find the constant of variation if y = 100 when x = 0.2.
A. 100
B. 20
C. 200
D. 10
They all came out no solution @jim
 one year ago
 one year ago
If y varies inversely as x, find the constant of variation if y = 100 when x = 0.2. A. 100 B. 20 C. 200 D. 10 They all came out no solution @jim
 one year ago
 one year ago

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jim_thompson5910Best ResponseYou've already chosen the best response.1
y = k/x 100 = k/0.2 k = ??
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you might have been using y = kx, but that only works if y varies directly as x you use y = k/x since y varies inversely as x
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
good k = 100*0.2 k = 20
 one year ago
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