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Naddika [18.5K]
3 years ago
5

Tamara has a cell phone plan that charges $0.07 per minute plus a monthly fee of $19.00. budgets $29.50 per month for total cell

phone expenses without taxes. What is the maximum number of minutes Tamara could use her phone each month in order to stay within her budget?
a. 150
b. 271
c. 421
d. 692
Mathematics
1 answer:
natima [27]3 years ago
7 0
The answer is the letter A! I hope this helps
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1. Descriptive statistics: It deals with providing the summary about the information collected.

2. Inferential statistics: This division deals with using a sample from the population and drawing the conclusion about the population using the sample. It also includes providing a measure of confidence in any conclusions.


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I need help combining functions!
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\bf \begin{cases}
f(x)=\cfrac{2}{x}\\\\
g(x)=\cfrac{x}{x+2}
\end{cases}\qquad g[\quad f(x)\quad ]=\cfrac{[f(x)]}{[f(x)]+2}

\bf (g\circ f)(x)\iff g[\quad f(x)\quad ]=\cfrac{\boxed{\frac{2}{x}}}{\boxed{\frac{2}{x}}+2}
\\\\\\
g[\quad f(x)\quad ]=\cfrac{\frac{2}{x}}{\frac{2x+2}{x}}\implies g[\quad f(x)\quad ]=\cfrac{2}{x}\cdot \cfrac{x}{2x+2}
\\\\\\
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\\\\\\
g[\quad f(x)\quad ]=\cfrac{1}{x+1}
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3 years ago
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