itsmaddierae1
itsmaddierae1 itsmaddierae1
  • 11-09-2017
  • Mathematics
contestada

Can someone help me on 17 and 18?? I really need the help!!!

Can someone help me on 17 and 18 I really need the help class=

Respuesta :

kphung76127
kphung76127 kphung76127
  • 11-09-2017
Remember that in these diagrams, adjacent angles form a straight angle, which adds to 180 degrees. Also, vertical angles are always the same measure.

17.
11x+16+8x+12=180
19x+28=180
19x=152
x=8

3y+13+5y-1=180
8y+12=180
8y=168
y=21

18.
3x+17=5x-47
3x+64=5x
64=2x
32=x

2y+9=3y-20
9=y-20
29=y
Answer Link

Otras preguntas

what is -5 1/10 equal to
Find the slope of the parallel to each given line. 1) y=2/3x-2 2)y=9/5x-5 Find the slope of a line perpendicular to each given line 1)y=-1/2x-2 2)y=-x-1
if a man drank 270ml of soda from 2 liter bottle how much soda remains
a musicians hair was originally 3 inches long.She asked her hair dresser to cut 5/6 of it off.How many inches did she have cut off
5x23x2 is this associative?
How do you solve for B in 65pi=B5?
list 5 types of action energy and 4 types of potential energy
write a story to represent the division problem 6 ÷ 1/3
what is the quotient of 207 and a number n
What are two rational numbers between the following: -0.56 & -0.65 -5.76 & -5.77 3.64 & 3.46