The population y in the year x of the counties listed is approximated by the given equations, where x=10 corresponds to 2010 and y is in thousands. Solve this system of equations, and interpret the answer. County A: −x+20y = 107 County B: −x+10y = 47 County C: y = 6 Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The system has exactly one solution. The solution is (Blank) (Type integers or fractions.) B. The system has infinitely many solutions of the form (Blank,y,) where y is any real number. (Type integers or fractions.) C. The system has no solution.
The population y in the year x of the counties listed is approximated by the given equations, where x=10 corresponds to 2010 and y is in thousands. Solve this system of equations, and interpret the answer. County A: −x+20y = 107 County B: −x+10y = 47 County C: y = 6 Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The system has exactly one solution. The solution is (Blank) (Type integers or fractions.) B. The system has infinitely many solutions of the form (Blank,y,) where y is any real number. (Type integers or fractions.) C. The system has no solution.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The population y in the year x of the counties listed is approximated by the given equations, where
x=10 corresponds to 2010 and y is in thousands. Solve this system of equations, and interpret the answer.
|
County A:
|
−x+20y
|
=
|
107
|
|---|---|---|---|
|
County B:
|
−x+10y
|
=
|
47
|
|
County C:
|
y
|
=
|
6
|
Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
The system has exactly one solution. The solution is
(Blank)
(Type integers or fractions.)
The system has infinitely many solutions of the form
(Blank,y,)
where y is any real number.(Type integers or fractions.)
The system has no solution.
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