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3 years ago

8

The local parts shop buys a machine that cost $500,000. Its value depreciates exponentially each year by 10% what is the machine

s value after five years? Round your answer to the nearest integer

1 answer:

Irina18 [472]3 years ago

4 0

Answer:

c

Step-by-step explanation:

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Charles can ride his bike 4 miles in 20 minutes. Which of the following ratios show the number of miles to minutes Charles can r

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Answer:

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Step-by-step explanation:

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The number of bats in a colony is growing exponentially. After 1 year, there were 70 bats. After 4 years, there were 560 bats. I

Veseljchak [2.6K]

Answer:

23040 bats

Step-by-step explanation:

Let N(t) be the number of bats at time

We know that exponential function

$y = ab$

According to question

$N(t) = ab^{2}$

Where t (in years)

Substitute t=2 and N(2)=180

$180 = ab^{2}$

Substitute t=5 and N(5)=1440

$1440 = ab^{5}$

Equation (1) divided by equation (2)

$\frac{180}{1440} = \frac{ab^{2} }{ab^{5}} = \frac{1}{b\frac{5-2}{}}$

By using the property

Substitute the values of b in equation (1)

Substitute t=9

Hence, after 9 years the expected bats in the colony=23040 bats

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2 years ago