Find the length of the arc on the circle of radius r meters intercepted by a central angle ?. Round your answer to three decimal places.r = 3, ? = 40°

A. 2.094 m
B. 1.885 m
C. 2.303 m
D. 1.675 m


Answer: A

Mathematics

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A. f(x) =   

B. f(x) =  
C. f(x) =  
D. f(x) =  

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Express the integrand as a sum of partial fractions and evaluate the integral. dx

A. 5 ln  -  + C
B. 5 ln  +  + C
C. 5 ln  +  + C
D. 2 ln  -  + C

Mathematics

The table lists data that are exactly linear. (i) Find the slope-intercept form of the line that passes through these data points. (ii) Predict y when x = -1.5 and 4.6. 

A. y = 4.6x + 93.3; y = -100.2, y = -72.14 B. y = 2.3x + 93.3; y = 89.85, y = 103.88 C. y = -4.6x + 93.3; y = 100.2, y = 72.14 D. y = -2.3x + 93.3; y = 96.75, y = 82.72

Mathematics

Use multiplication to check the answer. If an answer is incorrect, find the correct answer.

A. Incorrect; should be 8146 B. Incorrect; should be 8147 R2 C. Incorrect; should be 8147 R1 D. Correct

Mathematics