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swin2013Best ResponseYou've already chosen the best response.0
At what rate is the area of the triangle formed by the ladder wall and the ground changing at that moment? i already know that dy/dt is 12 cm/sec
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
Please give the whole question
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
A 13 ft ladder is leaning against a house when its base starts to slide away. By the time the base is 12 ft from the house, the base is moving at the rate 5 ft/sec
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
dw:1352178476520:dw
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
yep, well i already found dy/dt and i was deriving dA/dt but it seemed wrong
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
i got 1/2 db/dt * h + dh/dt *b
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
dw:1352178791974:dw
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
dw:1352179052193:dw
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
close, the answer is =59.5....
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
how did you do that? did you just took the derivative inside and distribute the half sign?
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
oops o missed something while differentiating the area formula
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
ok but did you do product rule?
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
dw:1352179446697:dw
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
do you have to distribute?
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
no theres nothing to distribute
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
then why do you have 0.5 multiplied on each portion? isn't 1/2 a constant?
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
just type that into your calc... and you should get it.
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
0.5 is a constant that could be factored out.. but there is no point
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
i did. but if i didn't distribute, i would get the wrong answer
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
oh no i got it/ lol nvm thanks!
 one year ago
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