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

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

How many factors are in the expression 2w(w+9)

What is 7 hundred x 10 in unit form?

Find the unit rate of 135 miles in 5 hours

What's bigger 8/15 or 11/20 (fractions)

Salid bought 35 feet of window trim at a hardware store. The trim cost $1.75 per foot, including sales tax. If salid paid with a $100.00 bill,how much change sh

3a b2 b3 4b2 4 5a identify like terms

Can someone please help with this question? Please A cylindrical tank has a radius of 15 ft. and a height of 45 ft. How many cubic feet of water can the tank ho

Which of the following measures will help avoid undue eyestrain? reading with adequate light watching television from as far away as possible taking breaks when

Lea buys 6 model cars that each cost $15.She also buys 4 bottles of paint that each cost $11.How many does lea spend on model cars and paint?

An isosceles triangle has a perimeter of 8.5 cm. A second isosceles triangle, whose base is equal to that of the first but whose legs are twice as long of the f