Mathematics, 29.04.2021 07:00 angelthompson2018
Given sinX= -12/13 and 270º < X < 360° what is the exact value of cos2X?
Answers: 2
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Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean
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Mathematics, 22.06.2019 00:00
Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.
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Whuch statements about the diagram are true? select all that apply.
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What is the common difference in the arithmetic sequence? 7, 14, 21, 28, 2 3 4 7
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Given sinX= -12/13 and 270º < X < 360° what is the exact value of cos2X?...
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