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  1. ... Group I elements (Li+, Na+, K+, Cs+, Rb+) are soluble . There are few exceptions...

    1 Answers · Science & Mathematics · 26/05/2019

  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. ...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

  4. ... 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

  5. Rules (−k)^2/a^2 - (x-h)^2/b^2 = 1 , c = √(a^2+b^2) vertices (h , k+a) and (h , k-a) Foci (h , k + c) and (h , k - c) the asymptotes y - k = ±(a/b)(x-h)

    1 Answers · Science & Mathematics · 13/05/2019

  6. ...k±a)  length of major axis = 2a  co-vertices (h±b,k)  foci (h,k±c), c² = a²-b² Apply your given information...

    4 Answers · Science & Mathematics · 29/05/2019

  7. ...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

  8. ... an ellipse with major axis parallel to the y-axis, the foci are (h, k - c) and (h, k + c) where c = √(b² - a²) In this case, c = √(...

    1 Answers · Education & Reference · 13/05/2019

  9. ...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

  10. ... 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

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