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A die is rolled 20 times. find the probability of getting exactly four two's out of 20 attempts.
answered
Jul 10, 2018
Mathematics
college
2
votes
77.7k
views
Rebeca está _______ un libro. A. leendo B. leyó C. leyendo D. leído
answered
Jun 21, 2018
Spanish
high-school
1
vote
138k
views
An important step in the evolution of true cells from macromolecular vesicles was the evolution of self-replicating molecules organic molecules covalent bonding hydrogen bonding
answered
Jan 28, 2018
Biology
high-school
6
votes
71.2k
views
What is the domain of the step function f(x) = ⌈2x⌉ – 1? - x ≥ –1 - x ≥ 1 - x is an integer - x is a real number
answered
Nov 7, 2017
Mathematics
high-school
2
votes
24.9k
views
In which of the following can a change be directly observed? . a. alleles.. b. genotypes.. c. phenotypes..d. mutations.
answered
Oct 19, 2017
Biology
high-school
6
votes
127k
views
What kind of resumé is the best choice for someone with little work experience? a chronological resumé a functional resumé a narrative resumé a curriculum vitae
answered
Jul 14, 2017
English
high-school
2
votes
35.6k
views
What foreign policy issue hurt Carter in the election of 1980? A. War in Afghanistan B. The Camp David Accords C. The Iran hostage crisis D. The trade war with China
answered
Mar 8, 2017
History
high-school
1
vote
129k
views
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