• Complete los siguientes intervalos de manera analítica. a. (7;19) = { ∈ ℝ/ } b. [1;−9] = { ∈ ℝ/ } c. [−10;13) = { ∈ ℝ/ } d. (−15; −9] = { ∈ ℝ / }

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached