Mathematics, 14.10.2019 17:30 idfk666
The manager of a school bookstore has found four different companies from which she may order book bags. the algebraic r ules shown for each company represent the cost of placing a book bag order, c, based on the number of book bags purchased, b
company a: c = 12b
company b: c = 8.25b + 55
company c: 8b + 100
company d: c = 15b - 55
write a situation for each algebraic rule, if possible.
company a:
company b:
company c:
company d:
Answers: 2
Mathematics, 21.06.2019 14:50
Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8
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Mathematics, 22.06.2019 04:20
The weibull distribution is widely used in statistical problems relating to aging of solid insulating materials subjected to aging and stress. use this distribution as a model for time (in hours) to failure of solid insulating specimens subjected to ac voltage. the values of the parameters depend on the voltage and temperature; suppose α = 2.5 and β = 190. (a) what is the probability that a specimen's lifetime is at most 250? less than 250? more than 300? (round your answers to four decimal places.) at most 250 less than 250 more than 300 (b) what is the probability that a specimen's lifetime is between 100 and 250? (round your answer to four decimal places.) (c) what value is such that exactly 50% of all specimens have lifetimes exceeding that value? (round your answer to three decimal places.) hr
Answers: 2
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