Answer:
Step-by-step explanation:
B
2
3
Let the distance of two consecutive stones are x, x+1.
In ΔBCD, we have
tan60
o
=
x
h
⇒x=
3
h
.....(i)
In ΔABC, we have
tan30
o
=
x+1
h
⇒
3
1
=
x+1
h
⇒
3
h
+1=
3
h ......[from equation (i)]
⇒
3
2h
=1
⇒h=
2
3
km
solution
The answer is (1,-4)
Remember that the vertex is the center of the parabola.
Answer:
Step-by-step explanation:
high school with pariantal consent
N/n+1
n-1/n-1=1
result is n/n+1
Answer:
50
Step-by-step explanation:
Im pretty sure
