Answer:
10
Step-by-step explanation:
Therefore, the number is 10
Simplify (-4x + 5)-(2x - 9)-(8x + 1). -14x + 13 2x - 3 -6x + 14
1 answer:
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Answer:
19 situps
Step-by-step explanation:
Given that the regression equation to find a a relationship between hours of TV watched per day (x) and number of situps a person can do (y) was done.
The result was
y = ax+b
Correlation coefficient = 0.865
To predict the number of situps a person who watches 3 hours of TV
y = -1.23(3)+22.738
= 19.048
Approximately 19 situps.