Answer:
a
Step-by-step explanation:
Unfortunately, you haven't shared the equations from which you're supposed to choose your answer.
But we can write our own.
When will the distance traveled by the 1st car = the distance traveled by the 2nd car?
55 miles + (55 mph)x = (60 mph)x
solve this for x: 55 miles = (60-55)x mph = 5 mph
x=11 hours
The two cars are the same distance from the starting point after 11 hours.
Answer:16.71 cm
Step-by-step explanation:
Given
Length of wire L=38 cm
One piece is bent in the form of square and another in the form of circle
let x be the length of circle
therefore length of square side 
A=total area of square and circle
radius of circle 
area of circle 
Area of square 

To get the minimum value of A we get




Therefore circumference of circle
