The stopping distance of a car varies directly as the square…
The stopping distance of a car varies directly as the square of the speed of the car. If a car traveling 40 mph has a stopping distance of 109 ft, find the stopping distance of a car that travels 25 mph. (Round the answer to one decimal place.)
Read DetailsThe cost in dollars of producing x toy cars is C(x) = 2.2x +…
The cost in dollars of producing x toy cars is C(x) = 2.2x + 1. The revenue for selling x toy cars is R(x) = 6.45x. To calculate profit, subtract the cost from the revenue.a. Write and simplify a function P that represents profit in terms of x.b. Find the profit of producing 40 toy cars.
Read DetailsThe figure shows the path of a ray of light as it travels th…
The figure shows the path of a ray of light as it travels through ethyl alcohol and crosses a boundary into an unknown medium. The angles of incidence and refraction are 62° and 55.6°, respectively. What is the speed of this ray of light as it travels through the unknown medium?
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