Mathematics, 25.08.2019 23:20 austinlogan3218
A, b and c are the vertices of a triangle. a has coordinates (4, 6). b has coordinates (2, -2). c has coordinates (-2, -4). d is the midpoint of ab. e is the midpoint of ac. prove that de is parallel to bc.
you!
Answers: 1
![\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{4}~,~\stackrel{y_1}{6})\qquad B(\stackrel{x_2}{2}~,~\stackrel{y_2}{-2}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{2+4}{2}~,~\cfrac{-2+6}{2} \right)\implies \left( \cfrac{6}{2}~,~\cfrac{4}{2} \right)\implies \boxed{\stackrel{D}{(3,2)}} \\\\[-0.35em] ~\dotfill](/tpl/images/0197/6594/f799d.png)
![\bf B(\stackrel{x_1}{2}~,~\stackrel{y_1}{-2})\qquad C(\stackrel{x_2}{-2}~,~\stackrel{y_2}{-4}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-4}-\stackrel{y1}{(-2)}}}{\underset{run} {\underset{x_2}{-2}-\underset{x_1}{2}}}\implies \cfrac{-4+2}{-4}\implies \cfrac{-2}{-4}\implies \boxed{\cfrac{1}{2}\leftarrow \textit{slope of BC}} \\\\[-0.35em] ~\dotfill](/tpl/images/0197/6594/31b7e.png)
Another question on Mathematics
Mathematics, 21.06.2019 15:00
7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.
Answers: 2
Mathematics, 21.06.2019 16:30
In the figure shown below, m < 40 and ab =8. which equation could be used to find x?
Answers: 2
Mathematics, 21.06.2019 17:00
100 points, hi, i’m not sure how to get the equation from the graph and table.
Answers: 2
Mathematics, 21.06.2019 18:30
Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa
Answers: 1
You know the right answer?
A, b and c are the vertices of a triangle. a has coordinates (4, 6). b has coordinates (2, -2). c ha...
Questions
Mathematics, 07.05.2021 20:30
Physics, 07.05.2021 20:30
Mathematics, 07.05.2021 20:30
Mathematics, 07.05.2021 20:30
Geography, 07.05.2021 20:30
Chemistry, 07.05.2021 20:30
Mathematics, 07.05.2021 20:30
Mathematics, 07.05.2021 20:30
History, 07.05.2021 20:30
Mathematics, 07.05.2021 20:30
Mathematics, 07.05.2021 20:30
World Languages, 07.05.2021 20:30
Computers and Technology, 07.05.2021 20:30
