Mathematics, 09.08.2019 03:20 odalysesquermon
An article in the november 1983 consumer reports compared various types of batteries. the average lifetimes of duracell alkaline aa batteries and eveready energizer alkaline aa batteries were given as 4.1 hours and 4.5 hours, respectively. suppose these are the population average lifetimes. (a) let x be the sample average lifetime of 121 duracell and y be the sample average lifetime of 121 eveready energizer batteries. what is the mean value of x − y (i. e., where is the distribution of x − y centered)?
Answers: 3
Mathematics, 21.06.2019 12:50
Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60
Answers: 1
Mathematics, 21.06.2019 19:00
Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet
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Mathematics, 21.06.2019 19:10
In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth
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Mathematics, 21.06.2019 19:30
Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?
Answers: 1
An article in the november 1983 consumer reports compared various types of batteries. the average li...
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