Answer:
a = -3.5
Explanation:
2 - 4a = 16
-4a = 14
a = -3.5
Answer:
Right 3.5 units
Step-by-step explanation:
Well, the coordinates go (x,y) so just plug it in..
(3.5, 0)
Go across (to the right) 3.5 and up 0, that's it.
Hope this helps :)
Answer:
t is common practise to label the vertices of a triangle with capital letters
Answer:
D
Step-by-step explanation:
I took the quiz :)
Answer:
Step-by-step explanation:
m∠1+∠2=180
2x+40+2y+40=180
2x+2y=180-80
2x+2y=100
x+y=50
x=50-y
m∠1=m∠3
2x+40=x+2y
2x-x=2y-40
x=2y-40
2y-40=50-y
2y+y=50+40
3y=90
y=30
x=50-y=50-30=20
m∠1=2x+40=2×20+40=80°
m∠2=2y+40=2×30+40=60+40=100°
m∠3=x+2y=20+2×30=80°