rection: Read then write it in a decimal from. five hundred seventy-seven thousandths Six thousand two hundred five ten thousandths Three and one hundred five ten thousandths Forty-nine hundredths

TEST L'espressione \( 6 \cdot 2^{27}+2^{28} \) è uguale a: \( \begin{array}{llll}\text { A } 7 \cdot 2^{55} . & \text { B } 7 \cdot 2^{27} . & \text { C } 2^{30} . & \text { D } 5 \cdot 2^{28} .\end{array} \)

\( 9 x^{2}+25 y^{2}=225 \) ellips tenglamasi berilgan. Uning yarim o'qlarini, fokuslari koordinatalarini, direktrisalari tenglamasini toping.

5.1 State the principle of conservation of mechanical energy in words. 5.2 Use your knowledge of the principle of conservation of mechanical energy to write down the value of the: 5.2.1 Gravitational potential energy of the ball at point \( B \). 5.2.2 Total mechanical energy at point \( C \). 5.3 Calculate the gravitational potential energy of the ball at point \( C \). 5.4 Determine by calculation whether the ball will reach point \( D \).

\( (xe^{\frac{y}{x}}+y)dx-xdy=0 \)

\( \frac{x}{a}+\frac{y}{b}=1 \) tenglama to'g'ri chiziqning qanday ko'rinishdagi tenglamasi deyiladi, \( a \) va \( b \) sonlar qanday geometrik ma'noga ega.