4 years ago

Help me please

Mathematics

1 answer:

GrogVix [38]4 years ago

3 0

Answer:

What is the question?

Step-by-step explanation:

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a certain forest covers an area of 4800km squared. if each year the area decreased by 6.75%what will be the area after 11 years

Sunny_sXe [5.5K]

<u>Answer-</u>

The area after 11 years will be 2225.28 km²

<u>Solution-</u>

This can be represented as exponential decreasing function,

$y=a(1 - r)^t$

Where,

a = starting amount
r = rate
t = years

Putting the values,

$y=4800(1-0.0675)^{11}$

$\ =4800(0.9325)^{11}$

$\ =4800\times 0.4636$

$\ =2225.28$

Therefore, at this rate the area of the forest after 11 years will be 2225.28 km².

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