Un osservatore vede la cima di un palo verticale sotto un angolo di 30°; avvicinandosi di 10 m al piede del palo l'angolo diventa di 60°. Calcola l'altezza del palo.
Risultato: 5radicedi3 m

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?