The grade on the west side would be the vertical rise divided by the horizontal run or 525 divided by 800' or rounded off to 66% (a steep grade as in an underground mine a grade of 25% is considered very steep for vehicles to go up or conveyors to travel). On the east side the 40% grade was obtained by dividing the 525' vertical height by the 1300' run.
The appropriate choice is ...
A. always
_____
For lines, the property of being parallel is transitive. A||B and B||C means A||C.
Answer:
A and B
Step-by-step explanation:
x²+6x+9=2
(x+3)^(2) =2
x= ±√2 -3
Therefore answer is A and B
I am pretty sure it is 100 becayse it looks luke it is doubling the number.