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3 years ago

1. 5 - 3/8

Mathematics

2 answers:

Ivanshal [37]3 years ago

8 0

1. 4.625

2. 0.708

3. 8.75

4. -3.16

Hope it helps~

In Q.2 is it 22/3-11/8 or 2/3-11/8?

In Q.4 is it 41/3-21/6 or 1/3-21/6?

Eva8 [605]3 years ago

3 0

Answer:

1. 0.25

2. -0.458333...

3. 2

4. -1.2222...

Step-by-step explanation:

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$y = \stackrel{\stackrel{m}{\downarrow }}{-\cfrac{2}{3}}x+6\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}$

so hmmm then we know the slope of that line is -2/3, so we're really looking for the point-slope form of a line with a slope of -2/3 and that passes through (-3 , 8)

$(\stackrel{x_1}{-3}~,~\stackrel{y_1}{8})\hspace{10em} \stackrel{slope}{m} ~=~ -\cfrac{2}{3} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{8}=\stackrel{m}{-\cfrac{2}{3}}(x-\stackrel{x_1}{(-3)})\implies y-8=-\cfrac{2}{3}(x+3)$

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