2 years ago

Does anyone know when the tutors is coming for Brainly ?

Mathematics

1 answer:

frosja888 [35]2 years ago

7 0

Answer:

I have no idea it does show anything about it I checked just rely on the students to help you until they show up :)

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Vikentia [17]

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Step-by-step explanation:

A)

A - the population after its decrease

x - the number of years in which there has been a decrease in population

Hence,

$\displaystyle\\A=30000-475x\\A+475x=30000-475x+475x\\A+475x=30000\\A+475x-A=30000-A\\475x=30000-A$

Divide both parts of the equation by 475:

$\displaystyle\\x=\frac{30000-A}{475}$

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$\displaystyle\\x=\frac{30000-24300}{475} \\\\x=\frac{5700}{475}\\\\x=\frac{12*475}{475} \\\\x=12\ years$

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