Answers: 1
Mathematics, 21.06.2019 17:30, nayellisoto15
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
Mathematics, 21.06.2019 19:30, ashtonsilvers2003
Evaluate the expression for the given value of the variable. ā£-4b-8ā£+ā£-1-b^2 ā£+2b^3 ; b=-2
Answers: 2
Mathematics, 21.06.2019 22:20, skyhighozzie
(b) suppose that consolidated power decides to use a level of significance of Ī± = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is xāÆāÆ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume Ļ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)
Answers: 2
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