7x12 = 84
So the answer is D.
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:
i believe the answer is 83.79
Step-by-step explanation:
if the librarian purchased 200 boxes for $136, each box would cost 1.47 when divided. then there were 57 extra children so she had to buy 57 extra boxes. so if each box costs 1.47 then you just multiply 1.47*57 =83.79 and you get your answer. :D
Answer:
C; Acres of land, Sale price
Step-by-step explanation: I think this because no other relationship would be accurate with numbers that specific.