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Delicious77 [7]

3 years ago

9

David bought three candy bars for $2.45. Assuming that each candy bar is the same price, what is the unit rate for the cost of t

he candy bars? Be sure to round your answer to the nearest hundredth.

1 answer:

xxMikexx [17]3 years ago

6 0

Answer:

$4.55

Please give me the brainliest!

Hope this helps!

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The midpoint of CD is M(-1,-2). One endpoint is C (-9,-4). Find the coordinates of the other endpoint D.

yan [13]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points }\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&C&(~ -9 &,& -4~) 
% (c,d)
&D&(~ x &,& y~)
\end{array}\qquad
% coordinates of midpoint 
\left(\cfrac{ x_2 + x_1}{2}\quad ,\quad \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left( \cfrac{x-9}{2}~~,~~\cfrac{y-4}{2} \right)=\stackrel{midpoint~M}{(-1~~,~~-2)}\implies 
\begin{cases}
\cfrac{x-9}{2}=-1\\\\
x-9=-2\\
\boxed{x=7}\\
----------\\
\cfrac{y-4}{2}=-2\\\\
y-4=-4\\
\boxed{y=0}
\end{cases}$

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zhuklara [117]

Answer:

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Step-by-step explanation:

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saveliy_v [14]

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Answer:

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