<span>Graph y = sin(x) on the graphing calculator. Use the graph to determine the height of the barnacle with respect to water level as the boat has traveled the given distance. When the boat has traveled 7 meters, the height of the barnacle is approximately: ...... </span>0.657m
Let
x--------> the time in hours
y-------> the distance in miles
we know that
The speed is equal to

in this problem


<u>Equation First Train</u>

<u>Equation Second Train</u>

---------> equation 
Substitute the values of
and
in the equation 

Solve for x


therefore
<u>the answer is</u>

Answer: -3y +4
Step-by-step explanation:
Can you please tell us the equations or expressions?
Answer: 5x+2y=2
Step-by-step explanation:
5x+2y=2 move 5x to the other side
2y=-5x+2 divide the other side by the 2 from 2y
y=-5x+1