Solve the problem.A satellite dish has a parabolic cross section and is 10 feet deep. The focus is 9 feet from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.

A. 46 ft
B. 42 ft
C. 40 ft
D. 38 ft


Answer: D

Mathematics

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A.
B. ln 
C.
D.

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Find the median for the given sample data.The salaries of ten randomly selected doctors are shown below.Find the median salary.

A. $269,000 B. $177,000 C. $170,000 D. $242,000

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Suppose a restaurant offers the prix fixe menu below. ?    Main course: prime rib, steak, chicken    Side dish: soup, salad, crab cakes    Dessert: cheesecake, chocolate delight, ice cream    Beverage:coffee, tea, milk ? In how many ways can someone order a meal consisting of one choice from each category?

Fill in the blank(s) with the appropriate word(s).

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Use a calculator to find the function value to four decimal places.sin 49.5°

A. 0.6494 B. -0.6929 C. 1.1708 D. 0.7604

Mathematics