Mathematics, 23.06.2019 11:00 bfell92
If y is the midpoint of xz, y is located at (3,-1), and z is located at (11,-5), find the coordinates of x
Answers: 2
![\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ X(\stackrel{x_1}{x}~,~\stackrel{y_1}{y})\qquad Z(\stackrel{x_2}{11}~,~\stackrel{y_2}{-5}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{11+x}{2}~~,~~\cfrac{-5+y}{2} \right)=\stackrel{\stackrel{midpoint}{y}}{(3,-1)}\implies \begin{cases} \cfrac{11+x}{2}=3\\[1em] 11+x=6\\ \boxed{x=-5}\\ \cline{1-1} \cfrac{-5+y}{2}=-1\\[1em] -5+y=-2\\ \boxed{y=3} \end{cases}](/tpl/images/0007/6954/07529.png)
Another question on Mathematics
Mathematics, 21.06.2019 17:30
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 2
Mathematics, 21.06.2019 19:00
65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?
Answers: 1
Mathematics, 21.06.2019 20:30
Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?
Answers: 1
You know the right answer?
If y is the midpoint of xz, y is located at (3,-1), and z is located at (11,-5), find the coordinate...
Questions
Mathematics, 27.05.2020 17:57
Mathematics, 27.05.2020 17:57
Geography, 27.05.2020 17:57
Mathematics, 27.05.2020 17:57
Mathematics, 27.05.2020 17:57
