Mathematics, 30.11.2020 05:00 ezrabailey100
Students in Mrs. Anderson’s health class are learning about how exercise affects your heart rate. Twelve students ran around the school track for different lengths of time. Then they measured their heart rates in beats per minute.
(X, Y)
(7,121)(8,136)(7,122)(4,96)(3,90)(6 ,120)(7,118)(4,18)(2,84)(5,110)(7,1 18)(8,128)
Find the correlation coefficient of the data. Round to the nearest hundredth.
Answers: 1
Mathematics, 21.06.2019 19:30, gabby77778
[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 3
Mathematics, 22.06.2019 01:40, hunt231
Which of these statements is correct? the system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution. the system of linear equations 7x + 2y = 6 and 14x + 4y = 16 has an infinite number of solutions. the system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution. the system of linear equations 9x + 6y = 14 and 18x + 12y = 26 has an infinite number of solutions.
Answers: 2
Students in Mrs. Anderson’s health class are learning about how exercise affects your heart rate. Tw...
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