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Mathematics, 21.06.2019 16:30
Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices
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Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
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Mathematics, 22.06.2019 03:10
The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.
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Mathematics, 22.06.2019 03:30
Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?
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English, 10.04.2020 20:19
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Geography, 10.04.2020 20:20