Answer:
still air = 815, wind = 40
Step-by-step explanation:
x+y=against
x-y=with
8(x+y)=6200
8(x-y)=6840
Divide 8.
x-y=775
x+y=855
Subtract. 2 from 1
2y=80
y=40
x=815
Hope this helps plz hit the crown :D
Answer:
The graph in the attached figure
Step-by-step explanation:
Let
x ----> the number of open acres
y ----> the number of developed acres
we know that
-----> inequality A
The solution of the inequality A is the shaded area above the solid line 
-----> inequality B
The solution of the inequality B is the shaded area below the solid line 
so
The graph in the attached figure
It's gonna be an irrational number because the length of the hypotenuse is 6.40312....... cm


An irrational number cannot be written as a simple fraction and the decimals would keep on going without a pattern (if it was repeating, it would be rational).
Answer:
there is no picture added
Step-by-step explanation:
Answer:
76.3
Step-by-step explanation: