ratio of perimeter is the same as ratio of sides so perimeter would be 1:4
since area is in square units you need to square the ratio (1:4)^2 which is 1:16
The correct answer is B. Stratified sampling is used since the field is divided into subplots and a random sample is taken from each subplot.
Explanation:
Sampling refers to the process followed by researchers to select a group of individuals from a larger group; considering in most studies it is not possible to analyze all the population. In the case of stratified sampling, this involves dividing the general population into smaller groups, which are known as strata; after this, the researcher selects a specific number of individuals from each strata. This method guarantees the sample is selected randomly, and therefore the study is not biased. Stratified sampling was the method used in the example described because, in this, the general population (46-acre field) was divided into subplots that represent the strata. Also, after this, the researcher selected one random sample.
4 hours and 25 minutes simplifies to 265 minutes
2 hours and 48 minutes simplifies to 168 minutes
Subtract the numbers: 265-168 = 97 minutes left
Convert back to hours and you have 1 Hour 37 minutes at the pool in the afternoon.
Answer:
1
Step-by-step explanation:
0^2 + 1
1
Answer:
y = 2x + 3
Step-by-step explanation:
the same slope would be 2x still
the 3rd and 4th choice are the only ones that have the correct slope
and 1 unit lower than 4 is 3
