Answer:
5(x+y)
Step-by-step explanation:
4×x+4×y+x+y
4x+4y+x+y
5x+5y
5(x+y)
Answer:
Convenience sampling
Step-by-step explanation:
Convenience sampling is a type of non-probability sampling method that is used base on the ease of access to subjects or people. The only criteria is whether the participants agree to participate. It is the most commonly used sampling technique because it is readily available, easy to access, prompt, uncomplicated, and economical. Although it is not often recommended for research because of sampling error possibility and lack of representation of population. Examples of convenience sampling are sharing flyers of upcoming events or promotion in a shopping mall, asking people to answer questions in a store, online and offline survey and collecting market research data from a conveniently available pool of respondents.
Considering, Upper A magazine asks its readers to call in their opinion regarding the quality of the articles is a convenient way of collecting market research data from available readers who may agree to participate. Therefore, the sampling is a convenience sampling.
9514 1404 393
Answer:
- 198
- $1.20
Step-by-step explanation:
1. Let x represent the number of apples left. Then the number of mangosteens left is 1/6x. The starting number in each case is the number left plus the number sold. The starting numbers are equal, so we have ...
x + 201 = (1/6)x +366
5/6x = 165 . . . . . . . . . . subtract 1/6x+201
x = 198 . . . . . . . . multiply by 6/5
198 apples were left.
__
2. Let d represent the cost of a drink. The cost of a drink is 3/5 the cost of a snack, so the cost of a snack is 5/3 the cost of a drink. Then Alice's total expenditure was ...
15d +12(5/3d) = 42
35d = 42 . . . . . . . . . . . . . . collect terms
d = 42/35 = 6/5 = 1.20 . . . divide by 35
The cost of a drink was $1.20.
Answer: 7
How many took 7.5 OR less. This means it includes the hikes that took 7.5 hours. Count all of the ones that start from 7.5 and lower
206,000 is bigger than 0.6
If you mean't thousandths 0.6 is bigger than 0.206
