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  1. ... of n people chosen k at a time. C(n,k) = n! / (k! (n-k)!) C(10,3) = 10! / (3! 7!) = 120 I have trouble remembering the formula, so...

    4 Answers · Science & Mathematics · 07/10/2019

  2. ... general formula for exactly k successes is: P(X = k) = C(n,k) * p^k * q^k n : number of trials (e.g. 5 flips) k...

    1 Answers · Science & Mathematics · 14/09/2019

  3. ...n - k)! k!] That would mean: C(n, n - k) = n! / [(n - (n-k))! (n - k)!] C(n, n - k) = n! / [k! (n - k)!] C(n, n - k) = n! / [(n - k)! k!] Hence...

    6 Answers · Science & Mathematics · 12/09/2019

  4. ...286 m²/s²/K for air T = absolute temperature (273.15 K + °C) = 298.15 K v(s) = speed of sound = to be determined v...

    3 Answers · Science & Mathematics · 24/08/2019

  5. ...atm is the atmospheric concentration, we would model this as: dC(t)/dt = -k*(C(t) - C_atm) where k is some positive rate constant. Note that the...

    2 Answers · Science & Mathematics · 06/08/2019

  6. ... that it's not true. Maybe you mistyped things? k c(k) 4c(k-1) 0 0 1 1 0 2 3 4 3 7 12 4 15 28 5 31 60

    1 Answers · Science & Mathematics · 25/07/2019

  7. ...2sin(t) i + 2cos(t) j + t k] dt = -2cos(t) i + 2sin(t) j + ½t² k + C We're told that s(2π/3) = i + 3 j - 2 k, and so i + 3 j...

    1 Answers · Science & Mathematics · 29/06/2019

  8. ... must be in an absolute temperature scale. Kelvin will do nicely. K = C + 273.15 P1V1 / T1 = P2V2 / T2 ............ combined...

    2 Answers · Science & Mathematics · 26/06/2019

  9. ...2 = C 51 + 0.2777777777.... = C 51.2777777.... = C 51.28 = C K = C + 273.15 K = 51.27777.... + 273.15 K = 324.4277777.... K = 324.4

    3 Answers · Science & Mathematics · 24/06/2019

  10. ...the diagram, i.e. the -z direction. So the torque is -LTcosθ k. ________________________ C) |τ₁| = 9.1*399*cos(21°) = 3390 Nm to 3 sig. figs...

    2 Answers · Science & Mathematics · 23/06/2019

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