If (x^2)+1/(x^2)=7, and x is not 0,find the value of:
(7x^3) + 8x - (7/x^3) - (8/x)...
Mathematics, 31.03.2020 20:38 ThGlitchz
If (x^2)+1/(x^2)=7, and x is not 0,find the value of:
(7x^3) + 8x - (7/x^3) - (8/x)
Answers: 3
Mathematics, 21.06.2019 19:30
Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
Answers: 1
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).
Answers: 3
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