A round trip from Seattle, Washington to Orlando, Florida, is one of the longest flight paths in the continental United States. The jet stream that blows from west to east affects the flight’s average speed. A plane flying nonstop from Seattle to Orlando can fly at an average speed of 523 miles per hour. The same plane flying from Orlando to Seattle travels at an average speed of 415 miles per hour. The full round trip takes exactly 11 hours. To the nearest mile, how far is Seattle from Orlando?

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step-by-step explanation:

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the answer would be d.

step-by-step explanation:

move all variables to the left side and all constants to the right side

(x−3)^2+(y−1)^2=16

this is the form of a circle. use this form to determine the center and radius of the circle.

( x − h ) 2 + ( y − k ) 2 = r 2

match the values in this circle to those of the standard form. the variable   r   represents the radius of the circle,   h   represents the x-offset from the origin, and   k   represents the y-offset from origin.

r = 4

h = 3

k = 1

the center of the circle is found at   ( h , k ) .

center:   ( 3 , 1 )

these values represent the important values for graphing and analyzing a circle.

center:   ( 3 , 1 ).

radius:   4