caiyumi13 caiyumi13

10-08-2021
Mathematics

contestada

Points A, B, and C are collinear. Point B is between point A and point C. Find the length of AB if AB=20+x, BC=2x+31, and AC=18. *

Respuesta :

wwwmudimeli wwwmudimeli

10-08-2021

Answer:

ab=9

Step-by-step explanation:

AB=BC

2X+31=20+X

X=-11

ab= 20+(-11)

= 9

bc= 2(-11) +31

=9

ab+bc= ac

9+9=18

Answer Link

Otras preguntas

how do ideologies shape actions in genocides?

A piece of ribbon 4 yards long is used to make bows requiring 15 inches of ribbon for each. What is the maximum number of bows that can be made?

I need a sentence with the word classify

Which is greatest 895mm or 8,98mm?

Which is greatest 895mm or 8,98mm?

33 students are in the band.there are 6 more 5th grade students than 3rd grade students. There is an equal number of 3rd grade and 4th grade students. How many

Flowers of orchid species Ophrys bombyliflora look and smell like female bumblebees. This attracts the male bumblebees flying nearby to the flowers. Thus, polle

Why does an insulator has a high resistance

factor the exspresion 8y^2-22y-21

In human DNA, adenine (A) makes up approximately 30.9% of the bases, and guanine (G) makes up approximately 19.9% of the bases; therefore the percentage thymine