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1. ### How can I find y2 and y4?

...guess that those deltas are difference operators, with Δy_k = y_(k+1) - y_k and Δ²y_k = Δy_(k+1) - Δy_k...

1 Answers · Science & Mathematics · 16/09/2019

...1), ... , X(8) has just two elements (a.k.a. "states"): 1 and 2; so its transition...k)=2 and X(k+1)=2} = 4. #{k∈{1, ... , 7} : X(k)=2 and X(k+1)=1} = 1. Finally, recall that...

1 Answers · Science & Mathematics · 16/09/2019

3. ### Statistics Basic Probability Help?

... second one switches to counting tails (n = 5, k = 2, p = 1/3, q = 2/3). The third wants *at least* 3 ...

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

4. ### A plane cruising at 220 m/min starts its descent from 2.5 km at 150 m/min. Find the equation for its altitude "h" as a function of time "t".?

h = kt+c at t=0, h = 2500 m slope = k = –150 m/min h = –150t+c 2500 = –150•0 + c c = 2500 therefore equation is h = –150t + 2500 meters

1 Answers · Science & Mathematics · 11/09/2019

5. ### Find equation of the tangent line to f(x)=x^2+x at x=3?

...3 , 12) Plug this into the point-slope form for a line and solve for y. y - k = m * (x - h) y - 12 = 7 * (x - 3) y - 12 = 7x - 21 y = 7x - 9

7 Answers · Science & Mathematics · 15/09/2019

6. ### 2 sin2 x + 11 cos x = 7?

... the cos(x) = 5 result since |cos(x)| ≤ 1 cos(x) = 1/2 x = ±π/3 ± 2kπ for 0 ≤ x < 2π, x = π/3, 5π/3 Ans: For 0...

5 Answers · Science & Mathematics · 13/09/2019