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given y varies directly as x, and y=9 when x=3. Find y when x=11
 11 months ago
 11 months ago
given y varies directly as x, and y=9 when x=3. Find y when x=11
 11 months ago
 11 months ago

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tcarroll010Best ResponseYou've already chosen the best response.1
y = ax 9 = a3 so a = 3 y = 3x y = (3)(11)
 11 months ago

tcarroll010Best ResponseYou've already chosen the best response.1
So, y would equal 33.
 11 months ago

brookester6Best ResponseYou've already chosen the best response.0
no.... it wouldn't
 11 months ago

tcarroll010Best ResponseYou've already chosen the best response.1
Good luck to you in all of your studies and thx for the recognition! @lvasquev462
 11 months ago

lvasquev462Best ResponseYou've already chosen the best response.1
i have one more of these questions
 11 months ago

tcarroll010Best ResponseYou've already chosen the best response.1
go right ahead, np.
 11 months ago

lvasquev462Best ResponseYou've already chosen the best response.1
given y varies directly as x and y=4 when x=20. Find x when y=6
 11 months ago

tcarroll010Best ResponseYou've already chosen the best response.1
y = ax 4 = a(20) a = (1/5) y = (1/5)x x = 5y x = (5)(6) = 30
 11 months ago

brookester6Best ResponseYou've already chosen the best response.0
it'S 20 AND 6! URG
 11 months ago

tcarroll010Best ResponseYou've already chosen the best response.1
So, all I did was basically the same thing, but the only twist here is that I flipped the "x" and "y". See that?
 11 months ago

tcarroll010Best ResponseYou've already chosen the best response.1
So, with these "varying directly" problems, you can start out the same way in both cases. Nice working with you!
 11 months ago
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