Tuesday
December 10, 2013

# Posts by Neil

Total # Posts: 163

physics
try using the correct sigfigs?

math
What is the geometrical meaning of the central extension of the algebra of diffeomorphisms of the circle?

calc
Yes, that is what I got as well. So would we have to go further, or does that suffice? Thank you.

My 2nd grader son needs to write a speech on why he should be elected as a classroom president. Some of the ideas I suggested are - as a classroom president, he will keep the classroom clean; make sure students respect and behave nicely with each other... ANY OTHER SUGESSTIONS...

maths
3/8 means , 3 parts out of 8 parts of anything, in this case, full day or 24 hours. So divide 24 hours into eight equal parts. So 24/8 is 3. Now take three parts of it. That is 3 parts of 3 lots. The answer is 9 hours.

math
probability of getting a red chip is 7/25 and the probability of getting ablue chip is 6/25. The probability of getting red and blue is 7/25* 6/25. The answer is 42/625.

y = mx+b m=slope Just get it in that form to find what m is.

Mathmatics
I need help. I have no clue about how to solve this problem. Can someone go through it. Find the sope of the tangent line to the graph of the equation y=x^2(x-3) at x=-1 Thanks for the help.

Physics
Nick S. ? i got 15.87 m/s.... apparently the right answer is 9 m/s tho . i assumed there's no torque. v^2 = 2 ax. a = F / m.

language
what would be a simplified reason to tell grade ones why there is valentines day? What does it mean? why do people receive cards?

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