March 24, 2017

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Posts by cel

Total # Posts: 20

Which is more correct: Everyone of us has or Everyone of us have ??
July 8, 2015

To 50 mL of this buffer, 10.0 mL 0.76 M soium hydroxide was added, what is the pH of the resulting solution after equilibrium has been re-established
June 15, 2014

3. A mail order magazine service has the exclusive subscription rights to a certain magazine. Subscriptions can be reserved for one, three, four or five years. A study of the subscriber list for other similar magazines reveals that the following information regarding the ...
March 10, 2014

math-word problem
from a board 38 1/2 inches long pete cut a piece 17 5/8 inches long how long was the remaining piece
January 29, 2012

12 16 20
May 17, 2011

This is a question about acid rain, in Canada in particular. Acid rain is an issue in eastern Canada, but not as prevalent in western Canada, due to the fact that the east is more heavily populated and industrialized, so... If acid rain fell evenly across Canada, why would ...
January 24, 2011

after 129, add 3.. then after that, add 6.. then add 3... there's a pattern :P
January 24, 2011

AP Calculus
Show that the equation x^3 - 15x + c = o has exactly one real root. All I know is that it has something to do with the Mean Value Theorem/Rolle's Theorem.
November 29, 2010

11th grade physics
a = change in velocity / change in time so.. a = 8 - 32 / 4 a = -6m/s^2
November 29, 2010

A 9.0 x 10^-3 kg ball is attached to a 3.6 x 10^-2 mass (M) by string that passes through a hole in a horizontal frictionless surface. The ball travels in a circular path of radius 0.35 m. What is the speed of the ball? I know the answer is 3.7 m/s, but I'm not sure how to...
November 17, 2010

AP Calculus
Use differentials (or a linear approximation) to estimate (2.001)^5
November 16, 2010

chemistry 12 lab
We did a lab on equilibrium and this is one of the following questions: When Ag ions are added to FeSCN ions (which are red in colour), the colour disappears, and a white precipitate of AgSCN forms. The question is.. Explain why Fe can be used as an indicator in a reaction to ...
November 5, 2010

AP Calculus
Find (dy/dx) for the following implicitly defined function: cos(x-2y) = 3y for the answer, i got.. dy/dx = (-sin(x-2y)) / (3-2sin(x-2y)) but i'm not sure if it's right..
October 31, 2010

AP calculus
nevermind - i figured it out! :)
October 31, 2010

AP calculus
Find (dy/dx) for the following implicitly defined function: 2x = 3siny - 2y
October 31, 2010

AP calculus
Find the equation of the normal to the curve f(x) = 3cos(2x) at the point x = 0. In class, we learnt to find the derivate of the function, which would represent the slope. After I did that, I found the slope to be 0.. but that is not what my graphing calculator tells me.. So, ...
October 27, 2010

math 12
Using f(x) = x(4-x) write the equations of a) f(-2x) b+ -f([1/2]x)
September 24, 2010

5th math
21 - 13 is 8, and not seven. 13 + 8 = 21!
September 22, 2010

eighteen hundred = 1800 (or 18 x 100) one thousand eight hundred = 1800 also
September 22, 2010

chemistry 12
In a complete sentence, give an example of a reaction rate that concerns many Canadians - one that involves cars, cold mornings, and cold batteries.
September 22, 2010

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