La estructura mostrada forma parte de una armadura que soporta el techo de un edificio. los miembros ab, ac y ad ejercen fuerzas fab, fac y fad sobre la junta a. fab=4kn. si la suma vectorial de las tres fuerzas es igual a cero, ? cuáles son las magnitudes de fac y fad?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Which of the following scenarios demonstrates an exponential decay