Find the missing value and write a conclusion. If necessary, round the percentage to the nearest tenth.What percent of 60 is 12?
A. 21% of 60 is 12.
B. 5% of 60 is 12.
C. 6% of 60 is 12.
D. 20% of 60 is 12.
Answer: D
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Solve the problem. Round your answer, if appropriate.One airplane is approaching an airport from the north at 201 km/hr. A second airplane approaches from the east at 220 km/hr. Find the rate at which the distance between the planes changes when the southbound plane is 36 km away from the airport and the westbound plane is 20 km from the airport.
A. -283 km/hr B. -141 km/hr C. -424 km/hr D. -566 km/hr
For the given regular polygon, find the measure of one angle.
A. 60° B. 120° C. 360° D. 90°
Provide an appropriate response.The life span of the average male human being is approximately 37,843,200 minutes. Write this number in scientific notation.
A. 37.8432 × 106 minutes B. 3.78432 × 107 minutes C. 3.78432 × 106 minutes D. 3.78432 × 105 minutes
Find all cube roots of the complex number. Leave answers in trigonometric form.125i
A. 5 cis 30°, 5 cis 150°, 5 cis 270° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 1, -1, -i D. 5 cis 0°, 5 cis 120°, 5 cis 240°