Mathematics, 11.07.2019 05:00 dbhuggybearow6jng
Ab has a midpoint m at (6, 3). if point a is at (-5, -1) & point b is at (2a - 7, b + 7), find the value of b
Answers: 1
![\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{-5}~,~\stackrel{y_1}{-1})\qquad B(\stackrel{x_2}{2a-7}~,~\stackrel{y_2}{b+7}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{(2a-7)-5}{2}~~,~~\cfrac{(b+7)-1}{2} \right)=\stackrel{\stackrel{midpoint}{M}}{(6,3)}\implies \begin{cases} \cfrac{(2a-7)-5}{2}=6\\[-0.5em] \hrulefill\\ \cfrac{(b+7)-1}{2}=3\\[0.8em] (b+7)-1=6\\ b+6=6\\ \boxed{b=0} \end{cases}](/tpl/images/0075/9089/29807.png)
Another question on Mathematics
Mathematics, 20.06.2019 18:04
Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?
Answers: 1
Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0
Answers: 2
Mathematics, 21.06.2019 20:10
Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm
Answers: 1
Mathematics, 21.06.2019 23:30
Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis
Answers: 2
You know the right answer?
Ab has a midpoint m at (6, 3). if point a is at (-5, -1) & point b is at (2a - 7, b + 7), find...
Questions
Social Studies, 23.09.2020 14:01
Mathematics, 23.09.2020 14:01
Mathematics, 23.09.2020 14:01
Computers and Technology, 23.09.2020 14:01
Mathematics, 23.09.2020 14:01
Health, 23.09.2020 14:01
Mathematics, 23.09.2020 14:01
