Solve the problem. Round to the nearest hundredth, if necessary.72 is 90% of what number?
A. 800
B. 64.8
C. 80
D. 8
Answer: C
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Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. cos ? = 0.3152
A. 71.6° B. 69.2° C. 69.19° D. 71.63°
Multiply, simplifying the answer completely.
? 
A. 
B. 
C. 
D. 
Find decimal notation for the number(s) in percent notation.43% of those undergoing a certain surgical procedure make a full recovery.
A. 0.43 B. 0.0043 C. 43 D. 0.043
Solve the problem.A pier 1250 meters long extends at an angle from the shoreline. A surveyor walks to a point 1500 meters down the shoreline from the pier and measures the angle formed by the ends of the pier. If is found to be 53°. What acute angle (correct to the nearest tenth of a degree) does the pier form with the shoreline? Is there more than one possibility? If so, how can we know which is the correct one?
What will be an ideal response?