Answer:
this might be the equation
Step-by-step explanation:
To find: Quadratic Polynomial.
where , ( α + β ) is sum of zeroes and αβ is product of zeroes.
Answer:
a) cluster sampling
Step-by-step explanation:
In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.
In this example, simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.
Answer:
right angle
Step-by-step explanation:
Answer:
I think it's A
Step-by-step explanation:
Answer:
18/4 or 4 1/2 or 4.5
Step-by-step explanation:
1/4*18/1=18/4