Mathematics, 23.11.2020 14:00 miannasanderso8146
Pentru cei 22 de elevi din echipa de fotbal a școlii au fost cumpărate tricouri, unele mărimea M și altele mărimea S. Un tricou mărimea M costă 72 de lei, iar cel mărimea S costă 54 de lei. Dacă s-a plătit în total suma de 1458 de lei, atunci s-au cumpărat
tricouri mărimea M și
tricouri mărimea S.
Answers: 3
Mathematics, 22.06.2019 01:40
Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.
Answers: 1
Mathematics, 22.06.2019 03:20
Aconcession manager at yankee stadium wants to know how temperature affects beer sales. she took a sample of 10 games and recorded the number of beers sold and the temperature in the middle of the game. temperature 80 68 78 79 87 74 86 92 77 84 number of beers 20533 1439 13829 21286 30985 17187 30240 87596 9610 28742 a. draw a scatter plot of the data. b. the manager estimates the regression equation to be: numberofbeers = −100, 678 + 1, 513 ∗ temperature draw this on your scatter plot. c. for one of the estimated points, indicate the residual with ei . d. for that same point, indicate what part of the variation is explained by the model with ˆyi − y¯.
Answers: 2
Pentru cei 22 de elevi din echipa de fotbal a școlii au fost cumpărate tricouri, unele mărimea M și...
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