yesmaammm1223 yesmaammm1223

01-10-2020
Mathematics

contestada

If M is the midpoint of AB, AB = 6x +40, MB = 2x _30, find x,AB, and MB

Respuesta :

shahala1306 shahala1306

01-10-2020

Answer:

If M is the midpoint of AB, then MB is half of AB:

6x + 40 = 2(2x - 30)

6x + 40 = 4x - 60

-4x -4x

2x + 40 = -60

-40 -40

2x/2 = -100/2

x = -50

AB = 6(-50) + 40 = -300 + 40 = -260

MB = 2(-50) - 30 = -100 - 30 = -130

Answer Link

Otras preguntas

a globe is an example of a physical model true or false

Over time, the snow in a glacier becomes more and more _____. a. fluffy b. white c. dense d. slippery

max wrote 10 pages of his lab report in 4 hours

Read the excerpt and then answer the question that follows. "The average case cost to process

greenhouse effect events in order starting with lights origin

What is Pre-Romantic about the theme in “A Nocturnal Reverie” by Anne Finch?

which of these actions is most similar to the covenant abraham formed with god

A basketball player guesses her team will score 57 points during the game. The player's team actually scores 63 points. What is the percent error in the player'

Imagine that A and B are cations and X, Y, and Z are anions, and that the following reactions occur: AX(aq)+BY(aq)→no precipitate AX(aq)+BZ(aq)→precipitate Whic

How was the title of Sultan, a common title for a Muslim ruler, first used and with whom? A. Mongol Batu Khan as he led Mongol Empire. B. Emporer Constantine, a