Solve by completing the square :
x^2-6x-11=0...
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Mathematics, 21.06.2019 13:00
You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?
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Mathematics, 22.06.2019 00:00
The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?
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Mathematics, 22.06.2019 04:30
Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?
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Mathematics, 22.06.2019 05:00
Tom is buying topsoil for the flower bed shown below. one bag of topsoil covers 15 square meters. how many bags of topsoil does tom need to cover his flower bed?
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