Mathematics, 18.03.2021 03:00, wayneh24
HELP
A soccer ball is kicked at a velocity of 25 meters per second. The following table shows the horizontal distance (in meters) at different angles of elevation (in degrees), ignoring wind resistance.
Angle of Elevation Distance Traveled
15 31.9
25 48.8
30 55.5
45 63.8
50 62.8
55 59.9
60 55.5
70 41.0
Using a quadratic regression calculator, determine the values of a, b, and c that can be used to write a quadratic function that provides a reasonable fit to the set of data. Which of the following statements is true?
A). The coefficient of determination is 0.994, which means that the function is a very good fit of the data set.
B). The coefficient of determination is 0.994, which means that the function is not a very good fit of the data set.
C). The coefficient of determination is 0.035, which means that the function is a very good fit of the data set.
D). The coefficient of determination is 0.035, which means that the function is not a very good fit of the data set.
Answers: 3
Mathematics, 21.06.2019 15:30, erykaa
Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above
Answers: 3
Mathematics, 21.06.2019 18:00, lpssprinklezlps
George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain
Answers: 1
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