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Mathematics

1 answer:

andreyandreev [35.5K]4 years ago

3 0

Clearer picture please

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a line segment with one end at C(6,5) has midpoint m(4,2) determine the coordinates of the other endpoint d

meriva

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ C(\stackrel{x_1}{6}~,~\stackrel{y_1}{5})\qquad D(\stackrel{x_2}{x}~,~\stackrel{y_2}{y}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{x+6}{2}~~,~~\cfrac{y+5}{2} \right)~~=~~\stackrel{\stackrel{Midpoint}{M}}{(4~,~2)}\implies \begin{cases} \cfrac{x+6}{2}=4\\[1em] x+6=8\\ \boxed{x= 2}\\ \cline{1-1} \cfrac{y+5}{2}=2\\[1em] y+5=4\\ \boxed{y=-1} \end{cases}$

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4 years ago

20 POINTS FOR STEP BY STEP!!

kobusy [5.1K]

BAD=BCD(base angle ,isosceles triangle)
ABD=CBD(given)
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36+36+ABC=180
ABC=108
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therefore
x=54

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3 years ago

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Given A- 2 2 1 3 what is A-¹?

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