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BARSIC [14]
3 years ago
8

According to projections through the year​ 2030, the population y of the given state in year x is approximated by State​ A: minu

s3xplusyequals11 comma 400 State​ B: minus138xplusyequals8 comma 000 where xequals0 corresponds to the year 2000 and y is in thousands. In what year do the two states have the same​ population?
Mathematics
1 answer:
trasher [3.6K]3 years ago
5 0

Answer:

In year 2026 population of both the states will be same.

Step-by-step explanation:

It has been given in the question that the population y of State A in year x will be represented by the equation

-3x + y = 11,400

⇒ y = 11,400 + 3x --------(1)

Similarly, equation that represents the population for State B is

-138x + y = 8,000

⇒ y = 138x + 8,000 -------(2)

If population y for both the states are equal then

3x + 11,400 = 138x + 8,000

11400 - 8000 = 138x - 3x

135x = 3400

x=\frac{3400}{135}

x = 25.19 [After 25 years ]

Since  x = 0 represents the population of the states in year 2000

therefore, population y will be same in both the states in year (2000 + 26)

= 2026

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