The correct answer should be A.
Answer:
The slope of the blue line is undefined
Step-by-step explanation:
This is because a vertical line cannot have a numerical value for it's slope. Also, there is no y-intercept
Answer:
Let C be the position of a person in a helicopter. A,B be two objects lying opposite to each other on either bank of a river.
Let AD=x,BD=y
In ΔACD,
⇒tan30
o
=
AD
CD
⇒
3
1
=
x
700
⇒x=130
3
⇒x=130(1.732)=1212.4
∴ the width of the river =x+y
=1212.4+130
=1342.4m
Step-by-step explanation:
Answer:
-1/2 or -0.5
Step-by-step explanation:
5(2x+4)=15
10x+20=15
10x=-5
x=-5/10
x=-1/2
