Answer:
A is 1 and b is 12
Step-by-step explanation:
9514 1404 393
Answer:
after 7 minutes
19,600 feet
Step-by-step explanation:
Here's the "pencil and paper" solution:
The two altitude equations are ...
y = 41300 -3100x
y = 2800x
They can be solved by setting the expressions for y equal to each other.
2800x = 41300 -3100x
5900x = 41300
x = 41300/5900 = 7
y = 2800·7 = 19600
The planes will both be at 19,600 feet after 7 minutes.
Answer 10$ + 8$+5$= answer that first.
Step-by-step explanation:
4x-2=18
-2 on both sides
4x=16
divid by 4 on both sides
x= 4