ahmed0102al
ahmed0102al
01-06-2018
Mathematics
contestada
NEED UR HELPP PLEASE...
Respuesta :
tramserran
tramserran
01-06-2018
The diagonals of a parallelogram bisect each other so AE = AC:
AE = AC
3x + 12 = 5x - 6
12 = 2x - 6
18 = 2x
9 = x
AE = 3x + 12
= 3(9)+12
= 27 + 12
= 39
AC = AE = 39
Use the Segment Addition Theorem:
AE + AC = AC
39 + 39 = AC
78 = AC
Answer: AC = 78
Answer Link
VER TODAS LAS RESPUESTAS ( 89+ )
Otras preguntas
Find the slope of 3x-4y-7=0
What were labor unions trying to achieve throughout the Industrial Revolution?
The Ferris wheel at the Puyallup Fair2 has a diameter of about 70 feet and takes 3 minutes to complete a full rotation. Passengers board from a platform 10 feet
6. Advertising a music festival, Paul saw a billboard while he was driving on the highway. What is the best way, if any, to rewrite this sentence? While he was
Which statement below best describes Cincinnatus and Julius Caesar? A. Both men put the welfare of the Roman Republic above their own personal success and both
What is honour rationing?
The measure of W is 134°, the measure of Y is 46°, and the measure of Z is 134°. What is the measure of X? a 40° b 46° c 134° d 90°
Which verb agrees with its subject? Nobody on either of the teams __________ hoping to earn fouls or penalties. A. were B. have been C. is D. are Question Resou
AP US History question: Assess the relative influence of THREE of the following in the American decision to declare war on Germany in 1917. Germany naval policy
Which verb agrees with its subject? The hike through the hills and woods __________ about an hour and a half at a medium pace. A. were taking B. take C. are tak