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Jlenok [28]
3 years ago
9

Which expression is equivalent to 6r - 10 + 3r – 2?

Mathematics
2 answers:
katovenus [111]3 years ago
6 0
The answer is c

9r - 12

Because it is just the simplified expression
EastWind [94]3 years ago
5 0

Answer: There are no choices so unfortunately I can't give you an answer

Step -by-step explanation:

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Vikentia [17]
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find the point-slope equation of the line perpendicular to the line y=2x+5 passing through the point (1,4). (please include solu
pishuonlain [190]
First off, let's keep in mind that perpendicular lines have negative reciprocal slopes, hmmm so what's the slope of y = 2x + 5?

well, notice, that equation is in slope-intercept form, thus   \bf y=\stackrel{slope}{2}x+5.

\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}}
{2\implies \stackrel{slope}{\cfrac{2}{1}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{1}{2}}\qquad \stackrel{negative~reciprocal}{-\cfrac{1}{2}}}

so, we're really looking for the equation of a line whose slope is -1/2 and runs through 1,4.

\bf (\stackrel{x_1}{1}~,~\stackrel{y_1}{4})\qquad \qquad \qquad 
slope =  m\implies -\cfrac{1}{2}
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-4=-\cfrac{1}{2}(x-1)
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den301095 [7]

Answer:

The correct answer is 67 9/11

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Answer:

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699.00 + 37.05 = 736.05

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