Answer:
Step-by-step explanation:
(1+(x-7)(x+2))/((x-7)(x+2))
(x^2-5x-13)/(x^2-5x-14)
so first you find out how many she can bake in 1 hour so you divide 105 and 3 which is 35
so since she bakes 35 cookies and hour you multiply 35 by how many hours she cooks
so 35 x 3 =105 35 x 5=175
Ali cooks 175 cookies in 5 hours
X=12y there is no conventional way of solving precisely.
Another way of writing it is in expanded notation
Answer:
The correct answer is D. It is not true that cluster sampling uses randomly selected clusters and samples everyone within each cluster.
Step-by-step explanation:
Cluster sampling is a method of collecting samples and statistical data, by means of which a certain group formed by people, things, events, etc., is taken as a sample, which are not considered individually but as part of a whole, which is in turn a proportional representation of the universality of samples available in the field.
Now, since this type of sampling allows to embrace large groups of sample units, data are not always obtained from all the components of the cluster, but from those necessary to be able to quantify the desired statistics.