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lakkis [162]
3 years ago
9

Alexis cell phone company charges her $35 a month for phone service plus $0.40 for each text message. How many text message does

Alexis send in a month if her bill was $72?
Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
8 0

Answer:

$92.50

Step-by-step explanation:

$72 - $35 = 37

37 / 0.40 = 92.5

Answer = $92.50

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Solve this equation 90x-60y is equal to 68 and 90x-70y is equal to 91​
Tanzania [10]

Answer:

Step-by-step explanation:

90x - 60y = 68.....multiply by -1

90x - 70y = 91

---------------------------

-90x + 60y = -68 (result of multiplying by -1)

90x - 70y = 91

---------------------------add

-10y = 23

y = -23/10 <===

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3 0
3 years ago
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EASY 5POINT MATH QUESTION PLEASE SOLVE
nika2105 [10]
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3 years ago
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 Use what you've learned in this unit to model the population of Western
azamat

The population function of the Western Lowland Gorillas can either represent population growth or population decay

<h3>How to model the population</h3>

The question is incomplete, as the resources to model the population of the Western Lowland Gorillas are not given.

So, I will give a general explanation to solve the question

A population function can be represented as:

y = a(1 \pm r)^x

Where:

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  • The rate at which the population changes is represented by (r)
  • The number of years since 2022 is represented by (x)
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From the question, we understand that the population of the Western Lowland Gorillas decreases.

This means that the rate of the function would be an exponential decay i.e. 1 -r

Take for instance:

y = 2000 * 0.98^x

By comparison.

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The above function can be used to model the population of the Western Lowland Gorillas

Read more about exponential functions at:

brainly.com/question/26829092

4 0
2 years ago
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