Thursday
December 5, 2013

# Posts by Devon

Total # Posts: 140

math
For the vectors u=(2,-3) and w=(-1,2), calculate |-3u| - |2w|.

pre-calc
A ship travels 200km west from port and then 240km due south before it is disabled. Illustrate this in a vector diagram. Usa trigonometry to find the course that a rescue ship must take from port in order to reach the disabled ship. i dont know where to begin, could someone ju...

Economics
A person must decide whether or not to proceed with a particular investment project. If the project succeeds, She will gain \$15 million. If the project fails, she will lose \$3 million. She estimates there is a 20% chance that the project will succeed and an 80% chance it will ...

Economics
A person must decide whether or not to proceed with a particular investment project. If the project succeeds, She will gain \$15 million. If the project fails, she will lose \$3 million. She estimates there is a 20% chance that the project will succeed and an 80% chance it will ...

precalc
thank you!

precalc
simplify: (x^-2 - y^-2) / (x^-1 - y^-1) i know you have to get rid of the negative powers, but i cant figure out how, any help?

pre calc
sketch the graph y=abs(x)+2 then sketch over the y=x line.

research paper
i have to include these questions in my report, and i can't seem to find them anywhere, any help? What influences may China and India have on other Asian countries as their economies begin to emerge on the global scene? What benefits have American corporations and the Amer...

math
Solve (x - 3)(x – 4)/(x – 5)(x – 6)^2 >or= 0 any help?

math
thank you for both your help, i think i got it now!

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