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lizdeleon248
16.12.2020 •
Mathematics
-12 minus -31, pls helppp
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Ответ:
The answer is 19
Step-by-step explanation:
-12-(-31)
=-12+31
=19
Ответ:
Step-by-step explanation:
Data Modeling
We have a dataset and we want to produce a linear model of it. Considering the variable x as the number of weeks since Jordan started to record his earnings, and y the total amount of money he saved, then each pair (x,y) coming from the table will help us to find the linear model.
There are three points to start from (0,86) (1,94) (2,102)
Since a line can be defined by using only two points, we'll use the first two points and verify the model with the third point
The linear model has the form
The first point (0,86) is used
It follows that b=86. The model changes to
Now we use the second point (1,94)
Solving for m
The equation that models the situation is
Let's test the third point for x=2
The model is correct since the third point could be determined with the model