teescub9738
18.12.2020 •
Mathematics
Solve the equation show steps -2m+4m+5=3
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Ответ:
1. you combine -2m and 4m that equals 2m
2.you subtract 5 from both sides and that gives you 2m=-2
3. you divide both sides by two and it gives you -2/2 which is equivalent to -1
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