Igave it 20 points. (more than i normally give)
at a local theater the trap door has an...
Mathematics, 15.10.2019 10:00 mani1682
Igave it 20 points. (more than i normally give)
at a local theater the trap door has an area of 84 square feet, and has a whole number length and side measure. a concert grand piano needed for a performance has a length of 8 feet, 10 inches and a width of 5 feet, 2 inches. the piano fits through the trap door. what is the length and width of the trap door? what is the perimeter of the trap door? explain how you did it.
Answers: 1
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.
Answers: 3
Mathematics, 21.06.2019 22:10
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Answers: 2
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