Mathematics, 21.11.2019 08:31, 67555savchenko
Mrs. liang, the librarian, wants to compare the numbers of patrons who prefer e-books to paperback books. she decides to take a poll of every third adult with a child who arrives at the library for one of the four reading groupstoddlers, preschoolers, primary grades , and upper elementary. which statement is true about her method of data collection?
1. it is balanced because she is including parents with children of all ages so she will get a greater age range.
2.it is not balanced because it is less likely to include teens, young adults, and senior citizens in the patron population
3. it is not balanced because she only surveyed the adults and not the young children.
4. it is balanced because she is polling four different reading groups, which include all types of people.
Answers: 2
Mathematics, 21.06.2019 15:40, FailingstudentXD
Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.
Answers: 1
Mathematics, 21.06.2019 20:00, ismailear18
Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?
Answers: 1
Mrs. liang, the librarian, wants to compare the numbers of patrons who prefer e-books to paperback b...
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