tintlemax6256
21.01.2021 •
Mathematics
7x + 5y - X + 2y + 3x
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Ответ:
9x+7y
Step-by-step explanation:
please see the image that I have attached
Ответ:
Step-by-step explanation:
A mathematics teacher wanted to see the correlation between test scores and homework. The homework grade (x) and test grade (y) are given in the accompanying table. Write the linear regression equation that represents this set of data, rounding all coefficients to the nearest tenth. Using this equation, estimate the homework grade, to the nearest integer, for a student with a test grade of 31.
Homework Grade (x) Test Grade (y)
58 52
75 66
66 68
85 74
52 38
74 65
78 76