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1. ### probability - pf, pdf, cdf?

First point, probability functions (PF) are used with discrete variables while probability density ...

3 Answers · Science & Mathematics · 29/07/2011

2. ### Demand function differentiable, prove [pf(p)]'<0 iff p/f(p), f '( p) < -1.(revenue lowers if demand elastic )?

[pf(p)]'=p'f(p)+pf'(p)=f(p)+pf'(p) [pf(p)]'<0 gives f(p)+pf...

1 Answers · Science & Mathematics · 28/12/2011

3. ### Solve j=(pf/(f+pt)) for f.?

J = PF/(F+PT) J(F+PT) = PF JF + JPT = PF JF - PF = - JPT F(J-P)=JPT F = JPT/(J-P0 D

1 Answers · Science & Mathematics · 01/12/2013

4. ### Rectangles B and C are attached to rectangle A,. The area of rectangle B is 2t^2 - 3t + 1. The area pf rectang

... area of rectangle B is 2t^2 - 3t + 1. The area pf rectang rectangle C is 3t^2-2t-1. The lenghts of these...

4 Answers · Science & Mathematics · 24/01/2008

5. ### ✓　show : x²/a² + y²/b² = 1　　➯　　PF + PF' = 2a .?

...(x,y) to F'(-c,0) is √[ (x+c)² + y² ] PF = √[ (x-c)² + y² ] = √[ x² - 2xc + c² + b²...

2 Answers · Science & Mathematics · 09/01/2018

6. ### Is there a figure to go by for pf? (Power factor)?

When I was an electrician in the navy we used pf of .8 lagging for calculations. This was the generally...

1 Answers · Science & Mathematics · 31/08/2008

7. ### Given: ABCD is an isosceles trapezoid in plane t, line BC is parallel to line AD, PF is perpendicular to t,?

...because of the limitations of yahoo answers. Since line PF bisects AD then line AP is equal to line PD...

3 Answers · Science & Mathematics · 29/05/2013

8. ### Mary has 23 marbles. 7/23 pf the marbles are yellow and 13/23 of the marbles are blue...?

...7pf out of 23 are yellow. On the other hand 13/23 says that 13 pf of 23 are blue. So rest of the marbles are green. ...

4 Answers · Science & Mathematics · 15/01/2010

9. ### log de raíz cúbica de 3 na base 3?

log₃(∛3) = log₃(3^⅓) = ⅓

2 Answers · Science & Mathematics · 13/03/2014