5. During the day, a famous Ferris wheel casts a shadow that is 20 meters in length. A man waiting in line to ride is 1.8 meters tall and casts a shadow of 2.4 meters. What is the height of the Ferris wheel?

In un triangolo rettangolo l'altezza relativa all'ipotenusa misura 6 cm e la proiezione di un cateto sull'ipotenusa è \( 4,8 \mathrm{~cm} \). Calcola perimetro e area del triangolo.

Find the real solutions of the equation. (Enter your answers as a comma-separated list. If the solution is not (a) \( x^{3 / 5}=-8 \) \( x=\square x^{2 / 3}=16 \) (b) \( x=x^{4 / 3}=-64 \) (c) \( x=x^{2} \)

4. Söz vermak, işara vermak, ad-san qazanr ifadələrindən hansılarında feil məcazi mən işlənib? (st. 2.1.2.)

ketahui sebaran \( X \) memiliki fungsi kepadatan peluang berikut \[ f(x)=4 x\left(1+x^{2}\right)^{-3}, x>0 \] tukan a. Fungsi sebaran untuk \( X \) b. Modus dari sebaran \( X \)

State any two commonly used software tools for Time Series Analysis. (2Marks) Give an expression for \( X_{t}-5 X_{t-1}+7 X_{t-2}-3 X_{t-3} \quad \) in terms of second order di fferences.