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RUDIKE [14]
3 years ago
7

Nathan cell phone company charges a monthly rate of $12.95 and $.25 a minute per call the bill for X minutes is $21.21 write any

Quetion that models the situation
Mathematics
1 answer:
Natalija [7]3 years ago
4 0
The answers should be about 9 minutes and 2.4 seconds.
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Andrew [12]

Answer y=mx+b


Step-by-step explanation: b is the y intercept and x is the slope


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3 years ago
6 times 7 -3 squared by 2 times 9 +4 squared by 3
timama [110]
I believe that the answer is 25
7 0
3 years ago
Read 2 more answers
Which intervals show f(x) decreasing? Check all that apply.
wolverine [178]

The intervals which represents those in which case the function, f(x) is reducing are as follows; [–2.5, –2], [–2, –1.5], [1.5, 2], [2, 2.5].

<h3>Which intervals naming the answer choices show the function f(x) decreasing?</h3>

It follows from the complete task content that the x-intervals between which the function value of f(x) is reducing are to be identified from the graph as attached.

On this note, by observation on the graph, it follows that from between the interval; [–2.5, –2], the function f(x) is decreasing.

Also, between the interval; [–2, –1.5], the function f(x) is decreasing.

Also, between the interval; [1.5, 2], the function f(x) is decreasing.

Also, between the interval; [2, 2.5], the function f(x) is decreasing.

Remark: The answer choices are as follows; [–2.5, –2] [–2, –1.5] [–1, 1] [1.5, 2] [2, 2.5) [2.5, 3]

Read more on decreasing intervals;

brainly.com/question/1503051

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4 0
2 years ago
Write an equation for an exponential growth function where the initial population is 74 and the population quadruples during eac
Liono4ka [1.6K]
If the population quadruples every period say hour, that means the "rate of growth" is 300%, so whatever the current amount, increased by 3 times as much is 4 times the current amount, or a quadrupled amount.

\bf \qquad \textit{Amount for Exponential Growth}\\\\&#10;A=I(1 + r)^t\qquad &#10;\begin{cases}&#10;A=\textit{accumulated amount}\\&#10;I=\textit{initial amount}\to &74\\&#10;r=rate\to 300\%\to \frac{300}{100}\to &3.00\\&#10;t=\textit{elapsed time}\\&#10;\end{cases}&#10;\\\\\\&#10;A=74(1+3)^t\implies A=74(4)^t
6 0
3 years ago
What is the solution to this equation? x + (- 14) = 4. (A) x = 10. (B) x = - 10. (C) x = - 18. (D) x = 18
Vika [28.1K]
First, you want to get x by itself on one side. We write the equation as x-14=4. Since 14 is being subtracted from x, we add it to both sides to cancel it out, x-14+14=4+14 or x=18.

Your answer would be D.

4 0
3 years ago
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