Math Questions from Nov 30,2024

Browse the Math Q&A Archive for Nov 30,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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In a large population, \( 70 \% \) of the people have been vaccinated. If 3 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated? Give your answer as a decimal (to at least 3 places) or fraction. Cuantos números diferentes de 3 cifras se pueden formar con los digitos del 1 al 9 si no se permite la repeticion de un digito? \begin{tabular}{l|l} Teniendo en cuenta que la primera derivada de una \\ función posición \( x(t) \) es la velocidad y la segunda \\ derivada es la aceleración. Resuelva. \\ 1. Un camión viaja en línea recta y su distancia con \\ respecto a la estación está dada por: \( x(t)=6 t^{2}- \) \\ \( 2 t^{3}+15 \) \\ A) Cuál es la velocidad para cualquier tiempo. \\ B) Cuál es la velocidad para \( t=0 \) y \( \mathrm{t}=2 \) \\ a) Halle la aceleración del camión para cualquier \\ tiempo. \end{tabular} David worked for 13 hours each day for 6 days. Then the next day worked 5 hours. How many hours did David work in all? Simplify: \( \frac{18 r^{4}}{48 r^{6}} \) and \( F \) is the midpoint of BH. Can you prove \( \triangle W E F \approx \) of \( \triangle Q H F \) ? Explain. Resolver para \( v \) \( -\frac{5}{4} v=15 \) Simplify: \( \frac{36 t}{45 t} \) Question 3 A bag of M\&M's has 2 red, 3 green, 4 blue, and 6 yellow M\&M's. What is the probability of randomly picking: (give answer as a reduced fraction) 1) a yellow? 2) a blue or green? 3) an orange? (i) Deriva con la regla de la cadena las siguientes funciones. (Cada inciso vale 1 punto) a) \( f(x)=\sqrt[4]{(2 x)^{3}} \)
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