Mathematics, 18.12.2020 18:30 edgartorres5123
If sin=4/5 and cosy=12/13 and x and y are positive acute angles, find cos(x+y)
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In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?
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Mathematics, 21.06.2019 20:00
Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
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Mathematics, 21.06.2019 23:00
Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.
Answers: 3
Mathematics, 22.06.2019 00:50
Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?
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If sin=4/5 and cosy=12/13 and x and y are positive acute angles, find cos(x+y)...
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