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Mathematics, 21.06.2019 12:30
One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.
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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 00:30
What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?
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Mathematics, 22.06.2019 02:00
Estimate the time en route from majors airport (area 1) to winnsboro airport (area 2). the wind is from 340ยฐ at 12 knots and the true airspeed is 136 knots. magnetic variation is 5ยฐ east.
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