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Jobisdone [24]
3 years ago
7

A teacher plans a field trip to meet with and hear a holocaust survivor tell about their experience during that time period. The

cost of the tickets are $10 each, plus a $5 administration fee for ordering them online. Which equation shows the relationship between the number of tickets (t) the teacher needs to order and the total cost (c) for the class to attend the event if the tickets are ordered online?
A)t = 10c + 5
B)c = 5t + 10
C)c = 10t + 5
D)10 = 5t + c

I think the answer is c (c=10t +5) ,but I 'm not sure .
Mathematics
1 answer:
Sonja [21]3 years ago
7 0
The answer would be C.
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Mariana [72]
60% = 0.6 = 3/5
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33 1/3 = 0.3333 =
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vladimir2022 [97]
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What are the period and phase shift for f(x) = −4 tan(x − π)?
nadya68 [22]
\bf ~~~~~~~~~~~~\textit{function transformations}
\\\\\\
% function transformations for trigonometric functions
% templates
f(x)=Asin(Bx+C)+D
\\\\
f(x)=Acos(Bx+C)+D\\\\
f(x)=Atan(Bx+C)+D
\\\\
-------------------

\bf \bullet \textit{ stretches or shrinks}\\
~~~~~~\textit{horizontally by amplitude } A\cdot B\\\\
\bullet \textit{ flips it upside-down if }A\textit{ is negative}\\
~~~~~~\textit{reflection over the x-axis}
\\\\
\bullet \textit{ flips it sideways if }B\textit{ is negative}

\bf ~~~~~~\textit{reflection over the y-axis}
\\\\
\bullet \textit{ horizontal shift by }\frac{C}{B}\\
~~~~~~if\ \frac{C}{B}\textit{ is negative, to the right}\\\\
~~~~~~if\ \frac{C}{B}\textit{ is positive, to the left}\\\\
\bullet \textit{vertical shift by }D\\
~~~~~~if\ D\textit{ is negative, downwards}\\\\
~~~~~~if\ D\textit{ is positive, upwards}

\bf \bullet \textit{function period or frequency}\\
~~~~~~\frac{2\pi }{B}\ for\ cos(\theta),\ sin(\theta),\ sec(\theta),\ csc(\theta)\\\\
~~~~~~\frac{\pi }{B}\ for\ tan(\theta),\ cot(\theta)

with that template in mind, let's see this one.

\bf f(x)=\stackrel{A}{-4}tan(\stackrel{B}{1}x\stackrel{C}{-\pi })+\stackrel{D}{0}
\\\\\\
\stackrel{period}{\cfrac{2\pi }{B}\implies \cfrac{2\pi }{1}\implies 2\pi }
\\\\\\
\stackrel{phase/horizontal~shift}{\cfrac{C}{B}\implies \cfrac{-\pi }{1}}\implies -\pi \qquad \textit{shifted to the right by }\pi \textit{ units}
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1/5 = 20%
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