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1. ### find the GCF and the LCM of the numbers using prime factorization 25,135 and 15,40?

PF of 25 = 5^2 PF of 135 = 5*27 LCM = 5^2*7 therefore GCF is 5 and LCM = 175 PF of 15 = 3*5 PF of 40 =2^3*5 LCM = 2^3*3*5 Therefore...

3 Answers · Science & Mathematics · 01/11/2012

2. ### Confidence Intervals?

Pf(3.5 - 2.575*48/sqrt(256) < μ < 3.5 - 2.575*48/sqrt(256)) = 1 - 0.01 Pf(3.5 - 7.725 < μ < 3.5 + 7.725) = 0.99 Pf...

1 Answers · Science & Mathematics · 21/02/2013

3. ### Word problems....?

Let tje s[eed pf tje plane be x mph and the calm air and let the sped of the wind be y mph by the problem...

5 Answers · Science & Mathematics · 02/03/2007

4. ### Locus of points- math question?

..., I shall attempt it from the first principles. PF + PF' = 8 => √[x^2 + (y - √5)^2] + √[x^2 + (y + √5)^2] = 8 =>...

1 Answers · Science & Mathematics · 20/05/2010

5. ### help!!! another math word problem!!!?

pf = 3gf 2pg = gg pf+2pg = 14 gf+2gg = 18 3gf+gg = 14 3gf+6gg = 54 -------------------------- 5gg = 40 gg...

1 Answers · Science & Mathematics · 26/11/2011

6. ### how to prove cos x/sin x + sin x/cos x =2/sin2x?

Pf: cosx / sinx + sinx / cosx =cosx*cosx / sinx*cosx + sinx*sinx / cosx*sinx =cos^2(x...

3 Answers · Science & Mathematics · 23/06/2012

7. ### quick math question; exponenets?

...log of both sides of the equation, separate out (Vi), then exponentiate: (Pf) (Vf)^x = (Pi) (Vi)^x log(Pf) + xlog(Vf) = log...

2 Answers · Science & Mathematics · 26/10/2007

8. ### geometry help? paralleograms plz only if you know how to o this?

Slope PF = (1 + 3) / (-5 +1) = 4/4 = 1 Slope ST = (2 + 2) / (-2 + 2) = 4/4 = 1...

1 Answers · Science & Mathematics · 02/01/2013

9. ### Prove that the following sequence is bounded...?

Use induction for both. Pf bounded above by 2/3: Base: (n=1) 2^1...by induction hypothesis QED Pf bounded below by -2/3: Base: (n=1) 2/5...

1 Answers · Science & Mathematics · 23/05/2008

10. ### Calculus 10 POINTS!!!?

R(p) = pf(p) Use derivative of product df(x)*g(x)/dx = df/dx * g(x) + f(x) * dg/dx R'(p) = f(p) + p f'(p) R'(16) = f(16) + 16*f'(16) = 9000 + 16 * (-340) = 3560.

1 Answers · Science & Mathematics · 08/05/2013