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 16:20
Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively
Answers: 3
Mathematics, 21.06.2019 17:30
Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents
Answers: 1
Mathematics, 21.06.2019 19:30
Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?
Answers: 2
Mathematics, 21.06.2019 20:10
The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.
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, 30.08.2021 17:20
Computers and Technology, 30.08.2021 17:20
Physics, 30.08.2021 17:20
Mathematics, 30.08.2021 17:20
Mathematics, 30.08.2021 17:20
English, 30.08.2021 17:20
History, 30.08.2021 17:20
Social Studies, 30.08.2021 17:20
Mathematics, 30.08.2021 17:20
Mathematics, 30.08.2021 17:20
Biology, 30.08.2021 17:20
English, 30.08.2021 17:20
