How can you tell when a quadratic equation has two identical, rational solutions? . a: when the radicand is negative. b: when the radicand is not a perfect square. c: when b in the quadratic formula is greater than the radicand. d: when the radicand equals zero

What is the solution of sqrt x+2-15=-3

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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