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seraphim [82]
3 years ago
15

The number of carbon atoms in a fossil is given by the function y= 5100(0.95)^x where x represents the number of years since bei

ng discovered what is the percent change each year? Explain your answer.
Mathematics
1 answer:
natita [175]3 years ago
8 0

Answer:

This is a guess!

When looking at the given equation I can not help but think of compound interest. So I am going to convert this into that format.

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Within the context of financial interest:

Looking for:

P

(

1

−

x

)

n

Where P is the principle sum,

x

is the interest and n is the number of interest cycles (annual)

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Given:

y

=

5100

(

0.95

)

x

But

0.95

=

1

−

0.05

so we have

y

=

5100

(

1

−

0.05

)

x

But

.

0.05

=

5

100

So we have

y

=

5100

(

1

−

5

100

)

x

Thus the percentage change each year is

−

5

%

Step-by-step explanation:

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Boston, Massachusetts had a population of 617,594 people during January 1 2010, and 675,647 people on January 1 2020.
tigry1 [53]

Answer:

  • See below

Step-by-step explanation:

<u>Exponential function is:</u>

  • y = abˣ

<u>If we consider the time difference in years as x and the initial population as a, then we get:</u>

  • 675647 = 617594*b¹⁰

<u>Find the value of b:</u>

  • b¹⁰ = 675647/617594
  • b¹⁰ = 1.09399864636
  • b = 1.09399864636^(1/10)
  • b = 1.009 (rounded)

<u>The equation we got is:</u>

  • y = 617594*1.009ˣ

Here we have y- population after x years since 2010, x - the number of years since 2010 and 1.009 is the population growth rate.

5 0
2 years ago
HEELLPP
Lana71 [14]

Answer: 7.8

Step-by-step explanation:

4 0
3 years ago
What is 1 + 1 will give brainliest
Alexxandr [17]

Answer:

2

Step-by-step explanation:

Jk its window

4 0
2 years ago
Read 2 more answers
I need help with both, please explain thoroughly. Does it make a difference if it says "from the origin" or "about vertex _"???​
Vitek1552 [10]

Answer:

Yes

Step-by-step explanation:

From the origin means from the centre or middle but about a vertex is from a named point.

7 0
3 years ago
Jill says that 231,000 can be written as 0.23. Which explains whether or not Jill is correct?
Maslowich

Answer:

Step-by-step explanation:

Jill is incorrect

Step-by-step explanation:

Given

Required

Determine if Jill is correct or incorrect

Start by solving the expression on the left hand side:

The result of  gives 0.023 and not 0.23 as Jill as said;

Hence;

Jill is incorrect and the expression is false;

3 0
3 years ago
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