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anonymous
 4 years ago
Two buses leaves the terminal at the same time. One heads due east at 25 kph and one heads due north at 40 kph. See figure (a) below. How far apart are the two buses after 2 hours?
anonymous
 4 years ago
Two buses leaves the terminal at the same time. One heads due east at 25 kph and one heads due north at 40 kph. See figure (a) below. How far apart are the two buses after 2 hours?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Are you going to post figure (a)?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0So, how far have you got by yourself?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0("no idea" is fine too btw)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328010806645:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Have you heard of pythagoras's theorem?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0c^2 = 50^2 + 80^2 c^2 = 2500 + 6400 c^2 = 8900 c = sqrt( 8900 ) c= 94,34

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Well, he's given you the answer now. Do you want me to work through it with you or did you just want the answer?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Well, in two hours one bus has gone east by 25x2=50km, while the other has gone north by 40x2=80km. To find the (shortest) distance between them x, we use mythagoras: \[x = \sqrt{50^2 + 80^2} = \sqrt{2500 + 6400} = \sqrt{8900} = 94.3398km\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Alynaanalise are you still there?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Nice, you can't even give the medal to the right answer, no wonder you can't figure out pythagoras....

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0lol...frustrating...close to level 30?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0can you please help me answer this one;: its a figure
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