Answer:
Step-by-step explanation:
<u>You have this correct:</u>
<u>The next step:</u>
- a = 550/1.4
- a = 392 (rounded to the whole number)
-3z + 7 = -7 - 10z
Add 10z to both sides
7z + 7 = -7
Subtract 7 from both sides
7z = -14
Divide by 7
Z = -2
Answer:
278.33X - 553.34222
Step-by-step explanation:
Given the data:
Year, X :
1992
1993
1994
1995
1996
1997
1998
1999
2000
Sales, Y:
1.2
1.4
1.6
1.8
2.2
2.5
2.8
3.0
3.4
Using a linear regression calculator, the regression fit model for the data is
Y = 278.33X - 553.34222
Where, Y = sales in Millions
x = year
The answer to this is 4 4/9
