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Yanka [14]
3 years ago
8

Please only say something if you really know it

Mathematics
1 answer:
Burka [1]3 years ago
6 0

Answer:

option 3

Step-by-step explanation:

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What is the equation of this line in standard form?
Fiesta28 [93]

keeping in mind that standard form for a linear equation means

• all coefficients must be integers, no fractions

• only the constant on the right-hand-side

• all variables on the left-hand-side, sorted

• "x" must not have a negative coefficient

\bf (\stackrel{x_1}{-3}~,~\stackrel{y_1}{-1})\qquad (\stackrel{x_2}{\frac{1}{2}}~,~\stackrel{y_2}{2}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{2}-\stackrel{y1}{(-1)}}}{\underset{run} {\underset{x_2}{\frac{1}{2}}-\underset{x_1}{(-3)}}}\implies \cfrac{2+1}{\frac{1}{2}+3}\implies \cfrac{3}{\frac{1+6}{2}}\implies \cfrac{\frac{3}{1}}{~~\frac{7}{2}~~}\implies \cfrac{3}{1}\cdot \cfrac{2}{7}\implies \cfrac{6}{7}

\bf \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}{(-1)}=\stackrel{m}{\cfrac{6}{7}}[x-\stackrel{x_1}{(-3)}]\implies y+1=\cfrac{6}{7}(x+3) \\\\\\ \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{7}}{7(y+1)=7\left( \cfrac{6}{7}(x+3) \right)}\implies 7y+7=6(x+3)\implies 7y+7=6x+18 \\\\\\ 7y=6x+11\implies -6x+7y=11\implies 6x-7y=-11

3 0
3 years ago
What is the slope of this graph?​
lubasha [3.4K]

Answer:  The slope is 0.

Step-by-step explanation: If the line is horizontal, the slope is 0

The rise is 0.  0 divided by any number is 0.

If the line is vertical, the slope is undefined.

No number can be divided by 0, so mathematicians call this situation "undefined."

6 0
3 years ago
Can somebody help me out please !
ivann1987 [24]

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anzhelika [568]

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Step-by-step explanation:

1 litter = 100 centiliters

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4 years ago
70 meters increased by 80%
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I think the answer is 126;
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