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Mathematics, 21.06.2019 18:20
Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a. x2 ā 4x ā 7 = 0b. 4r2 + 11r ā 3 = 0c. 3m2 + 7 = 0d. t2 + 2t + 1 = 0
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Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
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Mathematics, 21.06.2019 21:30
Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll
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Mathematics, 21.06.2019 22:00
1) prove that 731^3ā631^3 is divisible by 100 2) prove that 99^3ā74^3 is divisible by 25
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( 4x + 2 ) - ( 4x + 6 )...
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