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

Do you believe warfare should be used to gain more territory and achieve national interests?
what is the greatest common factor of 48 and 54
Name two different numbers that round to 8.21 when rounded to the nearest hundredth
Why did congress reconstruction efforts to ensure equal rights to the freedmen fail?
What route did christopher Columbus take
What is d slope intercept of 11x-8y=-48
which of the ordered pairs in the form (xy) is a solution of this equation? 6x - y/2 =14 (-9, 3), (2, - 4) A. Neither is a solution в. The first is not a soluti
Software like Pinnacle Studio and Adobe Premiere Elements are used to create and edit Choose one answer. a. videos. b. animated graphics. c. audio files
sam purchased 3 games for $140 after a 30%discount. what was the original price
Is MgC2 an organic, acid, inorganic compound?