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erica [24]
2 years ago
10

Find the slope of the line passing through the 2 points (-7,8), (-4,3

Mathematics
1 answer:
jeyben [28]2 years ago
3 0

Answer:

5/-3

Step-by-step explanation:

Slope = (y2 - y1)/(x2 - x1)

m = (8 - 3)/(-7 + 4)

m = 5/-3

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Multiples, or terms.


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4/6

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One number is 2 more than another. the difference between their squares is 60 what are the numbers
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Write the expanded form of the expression. ​y(​0.75+5)
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a television normally sells for $499 what is now discounted 25%. The sales tax rate is 6.5%. What is the total cost of televisio
matrenka [14]
Hmmm what is now discounted?  well, let's assume it sells normally for 499 and is discounted today at 25%, how much is that?

well, if we take 499 to be the 100, how much is 25%?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
499&100\\
d&25
\end{array}\implies \cfrac{499}{d}=\cfrac{100}{25} \cfrac{499\cdot 25}{100}=d
\\\\\\
124.75=d\qquad \textit{so the new price is }499-124.75\implies 374.25

now, applying the sales tax to the discounted price.

if we take 374.25 to be the 100%, how much is 6.5%?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
374.25&100\\ t&6.5
\end{array}\implies \cfrac{374.25}{t}=\cfrac{100}{6.5}\implies \cfrac{374.25\cdot 6.5}{100}=t

so, the total cost will then be 374.25 + t.
4 0
3 years ago
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