Mathematics, 12.12.2020 17:00 Serenitybella
The sum of the first five terms of an arithmetic sequence is 35. The sum of the next five terms is 85. Determine the first term and the common difference of the sequence.
Answers: 2
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 21:00
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
The sum of the first five terms of an arithmetic sequence is 35. The sum of the next five terms is 8...
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