itsashleyk1 itsashleyk1
  • 04-07-2020
  • Mathematics
contestada

If B is the midpoint of AC, and AB=5/2x+12 and AC=12x-4, what is the length of BC?

Respuesta :

snog
snog snog
  • 04-07-2020

Answer:

22

Step-by-step explanation:

We know that AC = 2 * AB so we can write:

12x - 4 = 2(5/2 x + 12)

12x - 4 = 5x + 24

7x = 28

x = 4

Since AB = BC the answer is 5/2 * 4 + 12 = 22.

Answer Link

Otras preguntas

complete the equation describing how x and y are related.
which word is a verb many athletes practice their sport everyday A. practice B.Day C.sport D.athletes A P E X
A bag contains 42 red, 45 green, 20 yellow, and 32 purple candies. You pick one candy at random. Find the probability that it is green or yellow.
your best friend had just be suspended for trancy write a letter to him or her expressing your displeasure and inviting him or her to turn a new Leaf​
Ability to be sensitive to or understand the feelings of another individual an identify with what he or she is experiencing without necessarily experiencing the
Name the alkyne. Spelling and punctuation count.
look at the image below plzz urgant help !!!!!! NEED DONE IN TEN MINUTES
Given the function g(x) = x^2 – 10x + 19, determine the average rate of change of the function over the interval 3 < x < 6.
A bag contains 42 red, 45 green, 20 yellow, and 32 purple candies. You pick one candy at random. Find the probability that it is green or yellow.
what are women's rights ? mention them.​