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 :

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 to solve 6x-3=7x-11

Given A = {a, e, i, o, u} and B = {a, l, g, e, b, r}, find A ∪ B.

Which of the following best describes a greek polis? a a marketplace where merchants peddled their wares b a walled fortress built to defend against enemies c a

what is the meaning of life?

perry has 81 red balls, which she wants to arrange in rows. if the number of balls in each row must be equal to the number of rows, how many balls must there be

Which of the following details supports characterization in a short story? A. information and details about the time and location B. explanations and descriptio

a student is revising a paper and needs to find another word to express a feeling of confusion. what reference manual should the student use to find similar wor

despite a lot of scientists evidence and many theories why does the origin of the universe remain a question to a scientists

Simplify the expression. 8b^-1d^-2/x^0

What are the solutions of 2x2 8x = –26? –2 ± 3i –2 ± i 2 ± 6i –3 ± 2i