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erik [133]
3 years ago
8

The points (3, 24) and (7, 56) represent points of a function where y, the number of photographs, varies directly with x, th

e number of pages in an album. Which statement describes another point on the graph of this function? A 50-page photo album holds 400 photographs. An 80-page photo album holds 560 photographs. A 100-page photo album holds 8,000 photographs. A 900-page photo album holds 8,400 photographs.
Mathematics
2 answers:
julsineya [31]3 years ago
8 0

\bf (\stackrel{x_1}{3}~,~\stackrel{y_1}{24})\qquad
(\stackrel{x_2}{7}~,~\stackrel{y_2}{56})
\\\\\\
slope = m\implies
\cfrac{\stackrel{photographs}{\stackrel{rise}{ y_2- y_1}}}{\stackrel{album~pages}{\stackrel{run}{ x_2- x_1}}}\implies \cfrac{56-24}{7-3}\implies \cfrac{32}{4}\implies \cfrac{\stackrel{photographs}{8}}{\stackrel{album~pages}{1}}


\bf \rule{34em}{0.25pt}\\\\
\cfrac{\stackrel{photographs}{400}}{\stackrel{album~pages}{50}}\implies \cfrac{\stackrel{photographs}{8}}{\stackrel{album~pages}{1}}\leftarrow \textit{50 pages album, hold 400 photos}

belka [17]3 years ago
4 0

Answer:

a 50 page

Step-by-step explanation:

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