baconpancakes18
baconpancakes18 baconpancakes18
  • 01-06-2020
  • Mathematics
contestada

if ZA and ZB are supplementary angles. if mZA = (3x-23) and mZB= (2x-12) then find the measure of ZB​

Respuesta :

yohanna69
yohanna69 yohanna69
  • 01-06-2020

Answer:

mZB= 74

Step-by-step explanation:

ZB+ZA=180

3X-23+2X-12=180

5X-35=180

5X=180+35

5X=215  (then divide both sides by 5 to x be left alone.)

X=43....so ZB=2(43)-12

                     =86-12=74

Answer Link

Otras preguntas

solve this proportion: 1/c+5=2/3
What is determined by motion and the spacing of particles?
How to put this an equation (an athlete trains for 115min each day for as many days as possible. Write an equation that relates the number of days d that the at
what is 3a + 1 = -3.6(a - 1)
What problems brought on the tariff debates of 1827 and 1828? In what way did the South respond to northeastern demands for a higher tariff, and on what did the
The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number . What are the numbers ? Justify your answer
How do you write 8.59 in word form
The first light bulb had a filament made of _____.
A procedure designed to test a hypothesis
An adult blinks about 450 times in 30 min. A 12 year old blinks about 150 times in 15 min. How many more times does an adult blink in 60 min. than a 12 year old