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Korvikt [17]
2 years ago
8

Write the equation of the line that passes through the points (4,7) and (1,9) in point-slope form.

Mathematics
1 answer:
Nesterboy [21]2 years ago
6 0

(\stackrel{x_1}{4}~,~\stackrel{y_1}{7})\qquad (\stackrel{x_2}{1}~,~\stackrel{y_2}{9}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{9}-\stackrel{y1}{7}}}{\underset{run} {\underset{x_2}{1}-\underset{x_1}{4}}} \implies \cfrac{9 -7}{1 -4} \implies \cfrac{ 2 }{ -3 } \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{7}=\stackrel{m}{-\cfrac{2}{3}}(x-\stackrel{x_1}{4})

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luda_lava [24]
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Why cut it like this? We find the highest number that divides both 20 and 10, in this case it's 10. Then, we can cut squares with the lenght of 10 cm. But we have a rectangle with the area of 20*10=200 cm^2 , and we cut squares of 10*10=100cm^2. 200/100=2. So we cut 2 squares Also, you could say that it's because the simmetry line cuts the rectangle in 2 other simetrical rectangles, which in this case, happen to be squares.
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4 years ago
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hichkok12 [17]

Do you need any one PARTICULAR example? If yes, then it would be:

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3 years ago
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zhuklara [117]

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Step-by-step explanation:

let the MP be x

sp without vat =x-16%of x

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aleksandr82 [10.1K]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

subtract 8 from 3

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3 years ago
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