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MA_775_DIABLO [31]
1 year ago
14

The sum of all proportions in a frequency distribution should be______.

Mathematics
1 answer:
NeX [460]1 year ago
8 0
It should always be 100
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You would do $2.00 ÷ 3 = $0.67
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HOPE THIS HELPED :)
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This should explain it

Step-by-step explanation:

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3 years ago
Find the slope of the line represented by the table of values.
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B) −1/4


Step-by-step explanation:

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2 years ago
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Amiraneli [1.4K]
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#2) Add or use a calculator for help.
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[Geometry Basics] I'm just checking if this is correct:
Leno4ka [110]
\bf ~~~~~~~~~~~~\textit{middle point of 2 points }&#10;\\\\&#10;\begin{array}{ccccccccc}&#10;&&x_1&&y_1&&x_2&&y_2\\&#10;%  (a,b)&#10;&&(~ x &,& y~) &#10;%  (c,d)&#10;&&(~ -9 &,& -1~)&#10;\end{array}\qquad&#10;%   coordinates of midpoint &#10;\left(\cfrac{ x_2 +  x_1}{2}\quad ,\quad \cfrac{ y_2 +  y_1}{2} \right)&#10;\\\\\\&#10;\left( \cfrac{-9+x}{2}~~,~~\cfrac{-1+y}{2} \right)=\stackrel{midpoint}{(8,14)}\implies &#10;\begin{cases}&#10;\cfrac{-9+x}{2}=8\\\\&#10;-9+x=16\\&#10;\boxed{x=25}\\&#10;-------\\&#10;\cfrac{-1+y}{2} =14\\\\&#10;-1+y=28\\&#10;\boxed{y=29}&#10;\end{cases}

\bf -------------------------------\\\\&#10;\begin{array}{ccccccccc}&#10;&&x_1&&y_1&&x_2&&y_2\\&#10;%  (a,b)&#10;&&(~ x &,& y~) &#10;%  (c,d)&#10;&&(~10 &,& 12~)&#10;\end{array}\qquad&#10;\\\\\\&#10;\left( \cfrac{10+x}{2}~~,~~\cfrac{12+y}{2} \right)=\stackrel{midpoint}{(6,9)}\implies &#10;\begin{cases}&#10;\cfrac{10+x}{2}=6\\\\&#10;10+x=12\\&#10;\boxed{x=2}\\&#10;-------\\&#10;\cfrac{12+y}{2} =9\\\\&#10;12+y=18\\&#10;\boxed{y=6}&#10;\end{cases}
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