He messed up in the beginning with the 4.
It's supposed to be
(3 - -4)
(3 + 4)
and not
(3-4)
That's where he messed up.
I find it interesting how he uses Xa Ya and Xb Yb. In my school we use X1 Y1 and X2 Y2.
Answer:
These are correct! Nice Job!!
Step-by-step explanation:
Answer:
x = 20
Step-by-step explanation:
The indicated angles are vertical and therefore congruent, hence
6x - 10 = 3x + 50 ( subtract 3x from both sides )
3x - 10 = 50 ( add 10 to both sides )
3x = 60 ( divide both sides by 3 )
x = 20
Answer:
x= 82y=78 tan =10
Step-by-step explanation:
Answer:
C, 130
Step-by-step explanation:
Area is just length x width, it would just be 13*10
