Use the Half-angle Formulas to find the exact value of the trigonometric function. tan 75°

A. -2 + 
B. 2 + 
C. 2 - 
D. -2 - 

Answer: B

Mathematics

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Solve the problem.The pharmacist mixed 6.36 grams of one drug with 4.469 grams of another drug. What was the weight of the mixture?

A. 10.829 g B. 11.929 g C. 8.938 g D. 12.72 g

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Find the vertex and axis of symmetry of the parabola.y = 6x - x2

A. ; x = 3
B. (0, 0); x = 0
C. ; x = 3
D. (6, 0); x = 6

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Mathematics

Multiply.0.0091(4.9)

A. 0.4459 B. 0.004459 C. 0.0004459 D. 0.04459

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Mathematics

Divide. Round your answer to the nearest hundredth when necessary.1.61 ÷ 7

A. 12.3 B. 2.3 C. 1.23 D. 0.23

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Mathematics