vaal2ynnHRay vaal2ynnHRay

16-09-2016
Mathematics

contestada

the midpoint of segment ab is (1, 12). the coordinates of point a are (3, 8). find the coordinates of point b.

Respuesta :

nobillionaireNobley nobillionaireNobley

19-09-2016

M(x, y) = ((x1 + x2)/2, (y1 + y2)/2)
M(1, 12) = ((3 + x2)/2, (8 + y2)/2)
(3 + x2)/2 = 1
3 + x2 = 1 * 2 = 2
x2 = 2 - 3 = -1

(8 + y2)/2 = 12
8 + y2 = 2 x 12 = 24
y2 = 24 - 8 = 16

Therefore, B = (-1, 16)

Answer Link

jeremysphd10 jeremysphd10

18-05-2021

Answer: (D) -1,16

Step-by-step explanation:

Answer Link

Otras preguntas

Which accurately describes a result of the conflict between England and Spain during the 1500s? A. Both countries fell into serious debt in order to finance t

how does solubility work?

Find the equation of a line that passes through the point (12,9)and has a slope of 1/4

This is not the same one as before. Which in inequality matches the graph ?

what is the main purpose of scientific models

Dexter is making a sculpture with the dimensions shown. What is the surface area of the sculpture? Use 3.14 for pi.

solve for c 14 + (–12) = –12 + c solve for k –(k + 12) = 6 + (–12) (two questions)

What did Jefferson say is the duty of oppressed people?

8. Lightning heats the surrounding air to A. 3,000°C. B. 30,000°C. C. 300°C. D. 300,000°C. 9. Which of the following is an example of a long-term climatic chan

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2 What is the height of the ball