Use the quadratic formula to find the exact solutions.x2 - 10x + 41 = 0

A. 9, 1
B. -5 ± 4i
C. 10 ± 8i
D. 5 ± 4i


Answer: D

Mathematics

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Convert to radical notation and simplify.642/3

A. 8
B.
C. 16
D. 4

Mathematics

Solve.There were 560 people at a school play. The admission price was $2 for adults and $1 for children. The admission receipts were $850. How many adults and how many children attended?

A. 270 adults and 290 children B. 212 adults and 348 children C. 290 adults and 270 children D. 135 adults and 425 children

Mathematics

Solve.A plane traveling 410 mph in still air encounters a 60-mph headwind. How long will it take the plane to travel 770 mi into the wind? Round your answer to the nearest tenth of an hour, if necessary.

A. 0.5 hr B. 1.6 hr C. 2.2 hr D. 269,500 hr

Mathematics

Solve the problem.A company determines that its marginal cost, in dollars, for producing x units of a product is given by  where x ? 1. Suppose that it would be possible for the company to make infinitely many units of this item. Find the total cost. Round to the nearest dollar.

A. $16,000 B. $15,980 C. $16,050 D. $15,900

Mathematics