Answer:
C) Stratified
Step-by-step explanation:
Stratified sampling is a type of sampling technique where the samples are arranged in a sequence of layers called strata. An example of Stratified sampling is proportionate stratification. Here the size of the sample n is harmonious to the population size of the strata. Stratified sampling exhibit the method that makes use of the division of the total groups into smaller subgroups known as strata to conclude the statistical process of sampling.
Answer:
80, 100
Step-by-step explanation:
180 - (40+60) =
80
That means one of the angles is 80, making an other angle 180-80 = 100 degrees
Answer:
2 cups
Step-by-step explanation:
3 + 3 = 6 (one cup)
4 + 2 = 6 (two cups)
Answer:
3x-13 I believe
Step-by-step explanation:
You multiply the 3 to the x and the 5. This would equal 3x-15+2
You would then add the -15 and the 2. This would be the answer 3x-13
Sorry if it is wrong