kaleyn42 kaleyn42

17-09-2020
Mathematics

contestada

If B is between A and C, and AB=3x+1 and BC=2x-7, and AC=19, find the length of AB.

Respuesta :

mykiahgriffiths mykiahgriffiths

17-09-2020

Answer:

16

Step-by-step explanation:

AB+BC=AC

3x+1+2x-7=19

5x-6=19

5x=25

x=5

AB=3x+1

AB=3(5)+1

AB=15+1

AB=16

Answer Link

Otras preguntas

I WILL GIVE 100 POINTS PLEASE DO ALL MY WORK Research the textile industry today to learn how it has been affected by new technology, including computerization.

According to Thorndike's law of effect, A. species-specific biological predispositions favor some learning styles over others. B. behaviors followed by satisfyi

Which best describes a triangle with two 45° angles?A- AcuteB- RightC- ObtuseD- Equilateral

help Electrical, potential, mechanical, thermal, sound, electromagnetic, kinetic, Chemical, conduction, radiation, convection, mass, weight, Conservation of ene

Which of the following is not a reason the United States wanted to purchase the Louisiana territory? * 1.The federal government wanted to protect its citizens.

The zeros of the function f(x) = x2 - 25 are (1) 5 (2) -5 (3) 5 and -5 (4) 12.5 and -12.5

Can you guys plzzz help. This is precalc. I’m a senior

Find VX How do you solve this?

Jamie rolls a 6-sided die 30 times and determines that the experimental probability of rolling a 2 is StartFraction 1 over 15 EndFraction. The theoretical proba

help plzz this is my last question it is due today!!!!!!