imstupid imstupid
  • 05-09-2014
  • Mathematics
contestada

T(8,15) is the midpoint of CD. The coordinates of d are (8,20) what are the coordinates of c

Respuesta :

luana
luana luana
  • 05-09-2014
[tex]coordinates\ of\ C(x,y)\\\\coordintaes\ of\ D(8,20)\\\\ T(8,15)=(\frac{8+x}{2}\ ;\ \frac{20+y}{2})\\\\8=\frac{8+x}{2}\ \ |*2\\\\16=8+x\\\\ 16-8=x\\\\x=8\\\\ 15=\frac{20+y}{2}\ \ |*2\\\\ 30=20+y\\\\y=30-20\\\\y=10\\\\ Q=(8,10)[/tex]
Answer Link

Otras preguntas

how do you say, do you want to build a snow man in spanish?
How were people punished if they were drunk in the middle ages
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x^2 + 8x + 5.
factor using ac-method and factor completely, 25x²-30x--40  (help)
a major objective of the south pacific forum founded in 1971 was? stopping the french nuclear testing or expanding the copra trade or reconciling diverse cultur
what is the value of the 2 in the number 1250?
Why can you remove paint with white spirit but not water?
you are quiz master you have been asked to conduct a program for video show on sound how would you being the show present the beginning
express 4 less than one-thirteenth of some number,w can be expressed algebraically as?
how do you say, do you want to build a snow man in spanish?