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Zolol [24]
3 years ago
10

Y equals 7.75x fourmovie tickets cost how many dollars remember X represents the number of movie tickets

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0
Y = 7.75x 

when x = 4 we have

y = 7.75 * 4 =  31 dollars answer
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\bf \begin{array}{lllll}
&x_1&y_1\\
%   (a,b)
&({{ 10}}\quad ,&{{ 5}})
\end{array}
\\\\\\
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slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{9}{20}
\\\\\\
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y-{{ y_1}}={{ m}}(x-{{ x_1}})\implies y-5=\cfrac{9}{20}(x-10)\\
\left. \qquad   \right. \uparrow\\
\textit{point-slope form}
\\\\\\
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Answer:

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