A commercial flight from New York to Somewhere flies 3000 km from airport to airport. One day, due to strong headwinds the flight's average speed is decreased by 150 km/h and the flight takes an
additional hour, compared to its normal flight time. Create an expression to determine the average
speed of this commercial jet without headwinds.

2x^2+5x+17

your welcome. : )

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.

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4932,9180,7625 are divisible by 9