TomSuyar TomSuyar

21-12-2019
Mathematics

contestada

B is the midpoint of AC. AB=7x-4 and BC=4x+5. Find AC.
A) 51
B) 68
C) 17
D) 34

B is the midpoint of AC AB7x4 and BC4x5 Find AC A 51 B 68 C 17 D 34 class=

Respuesta :

JustPotato JustPotato

21-12-2019

Answer:

D) 34

Step-by-step explanation:

Since B is the midpoint, AB = BC

Plug the two in:

7x - 4 = 4x + 5

Solve for x:

3x = 9, x = 3

Find AB + BC

since BC = AB

AC = 4x + 5 + 4x + 5

AC = 8x + 10

AC = 8(3) + 10

AC = 24 + 10

AC = 34

Answer Link

Otras preguntas

If a political party puts the party agenda above the needs of the people it is known as

Blood cells have a rigid cell wall true or false and explain what would you fix to make it true

Luann read 1/3 of 18 books on her reading list. How many books did Luann read? Find 1/3 of 18 books.

Nobles had to provide serfs with what?

Estimate by rounding each addend to the greatest place: 50,099+ 24,565=74,664 . A is 65,000 , B is 75,000 , C is 70,000, D is 71,000

1/3 as many dimes as nickels 3 more quarters than nickels 17 coins in all Q=___ D=___ N=___

Help with distance between points in geometry. Two equations given y=-5/4x+3.5 4y+10.6=-5x

what does Que tal mean in spanish

Which conjunction best fixes the run-on sentence? Did Miguel say if he found the overdue library book, __________ didn't he look? A.nor B.yet C.or D.so

If the Constitution is a living document which of the following sections of the Constitution ensure that it can remain relevant to our times? Select one: a. Pre