3 years ago

Yes please help me on this

Mathematics

1 answer:

otez555 [7]3 years ago

3 0

15 abbabababababababababbababa

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3 Find y if the slope between ( – 7, y) and (1, 13) is 3/4

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Step-by-step explanation:

$slope \: = \frac{y2 - y1}{x2 - x1} = \frac{3}{4}$

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2 years ago

An office supply store recently sold a black printer ink cartridge for $17.99 and a color printer ink cartridge for $20.99. At t

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40 black ink cartridges and 19 colored ink cartridges

Step-by-step explanation:

Let $b$ represent the number of black printer ink cartridges sold. Let $c$ represent the number of color printer ink cartridges sold.

Set up a system of equations:

$\displaystyle\\\begin{cases}b+c=59\\17.99b+20.99c=1,118.41\end{cases}$

$b+c=59\implies b=59-c$

Substitute:

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⇒ 40 black ink cartridges, 19 colored ink cartridges (ans)

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