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A quiz consists of 40 multiple choice questions, each with five possible answers, only one of which is correct. If a student guesses on each question, what is the mean and standard deviation of the
answered
Jun 22, 2021
Mathematics
college
4
votes
170k
views
If 9/y=y/4, what is the value of y?
answered
Jun 10, 2021
Mathematics
high-school
3
votes
215k
views
A _____ provides direct access from one document or Web page to another.
answered
Apr 20, 2021
English
middle-school
4
votes
162k
views
Question: How do the traits of offspring plants relate to the traits of parent plants?
answered
Mar 5, 2021
Health
middle-school
6
votes
30.6k
views
Which of the following statements is true? I. Carbon forms covalent rather than ionic bonds. II. Carbon has an electronegativity value that is midway between that of the most metallic element and the most
answered
Mar 4, 2021
Chemistry
college
2
votes
39.8k
views
Solve for x. x2 + x - 6 = 0
answered
Sep 29, 2020
Mathematics
middle-school
6
votes
196k
views
Considering reading comprehension, what does “summarizing" mean? O a) locating supportive sources Ob) gaining the main ideas of passages or the text as a whole Oc) a good way to avoid errors in grammar
answered
Sep 16, 2020
English
college
5
votes
30.7k
views
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