M(6, 6) is the midpoint of . The coordinates of S are (8, 9). What are the coordinates of R?

Question

13-10-2017
Mathematics

contestada

M(6, 6) is the midpoint of . The coordinates of S are (8, 9). What are the coordinates of R?

Respuesta :

Otras preguntas

What did Jackson's unofficial cabinet become known as? a. "the parlor cabinet" b. "the kitchen cabinet" c. "the executive cabinet" d. "the White House cabinet"

Select the definition of aristocracy. a. rule by a mob b. rule by many c. rule by a few individuals d. rule by one person

Which of the following is a condition in which a person alternates between extreme happiness and extreme sadness?

Which of the following sets of coefficients correctly balances the following chemical equation? Al(OH)3 Al2O3 + H2O 2; 1; 3 2; 2; 3 3; 1; 2 2; 1; 2

The intensity of illumination from the light source varies inversely with the square of the distance from the light source when photoelectric sale is placed 8 i

Which statement about conflict between whites and Native Americans is not true? a. White settlers often trespassed on Native American territory in search of gol

Solve the equations with steps 2c/(c-4)-2=4/c+5

Imagine you are reading an article about the goals of the National Archives to reduce its energy use. What information would suggest that this source is likely

Find the solution, given the replacement set. 5x - 2y = 6 {(-2, -8), (0, -3), (1, -1), (2, 4), (4, 7)} a{(-2, -8), (0, -3), (1, -1)} b{(1, -1), (2, 4), (4, 7

The Berlin Conference of 1885 is said to have set off a “scramble for Africa.” That means that Europeans

jdoe0001 jdoe0001 · Answer 1 · 2017-10-13T20:35:24+02:00

[tex]\bf \textit{middle point of 2 points }\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) R&({{ x}}\quad ,&{{ y}})\quad % (c,d) S&({{ 8}}\quad ,&{{ 9}}) \end{array}\qquad % coordinates of midpoint \left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)[/tex]

[tex]\bf \left( \cfrac{8+x}{2}~~,~~\cfrac{9+y}{2} \right)=\stackrel{midpoint}{M(6,6)}\implies \begin{cases} \cfrac{8+x}{2}=6\\\\ 8+x=12\\ \boxed{x=4}\\ ----------\\ \cfrac{9+y}{2}=6\\\\ 9+y=12\\ \boxed{y=3} \end{cases}[/tex]