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Ghella [55]
3 years ago
7

ANSWER AND EXPLAIN PLEASE ILL MARK BRAINLIEST!!!!!!!!!!!

Mathematics
1 answer:
motikmotik3 years ago
3 0

Answer:

x = 1 and y = -2

Step-by-step explanation:

Given that,

2x-3y = 8 ..(1)

4x+3y = -2 ..(2)

Add equation (1) and (2),

2x-3y+4x+3y = 8+(-2)

6x = 6

x = 1

Put the value of x in equation (1).

2-3y = 8

2-8 = 3y

-6 = 3y

y = -2

Hence, the value of x is 1 and that of y is -2.

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he exponential model Upper A equals 347.5 e Superscript 0.024 t describes the​ population, A, of a country in​ millions, t years
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Answer:

The population of the country will be 510 million during the year of 2018.

Step-by-step explanation:

The exponential model for the population, in millions, t years after 2003 is.

P(t) = 347.5e^{0.024t}

Use the model to determine when the population of the country will be 510 million.

t years after 2003, in which t is found when P(t) = 510. So

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e^{0.025t} = \frac{510}{347.5}

Applying ln to both sides, so we can find t

\ln{e^{0.025t}} = \ln{\frac{510}{347.5}}

t = \frac{\ln{\frac{510}{347.5}}}{0.025}

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