Para estudiar cuál es el candidato a alcalde por el cual votarán los habitantes de una ciudad en las próximas elecciones, se toma una muestra de 3500 personas de los 2 millones de todo el departamento. La pregunta es la siguiente: ¿por quién votará en las próximas elecciones para la alcaldía?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16