Intervalo LRC
X
7
Halla la media
aritmética para
los datos agrupados
en la anterior tabla
9
275 - 218
16
227-230
231 234
7
235-238
11
239 242
19
243 - 246
5
10
247-250
3
Para esto hallamos la sumatoria del producto de las marcas
de clase con las frecuencias absolutas.
Σf* Xi
X =
n​

Acylinder has volume 45π and radius 3. what is it’s height?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.