Solve the problem.A kite is currently flying at an altitude of 20 meters above the ground. If the angle of elevation from the ground to the kite is 30°, find the length of the kite string to the nearest meter.
A. 35 meters
B. 23 meters
C. 10 meters
D. 40 meters
Answer: D
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A. (-4, 20) B. (5, -1) C. (20, -4) D. (20, 4)
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A. ? $7/year B. ? $28/year C. ? $8/year D. ? $14/year
Use the appropriate normal distribution to approximate the resulting binomial distribution.
Jorge sells magazine subscriptions over the phone. He estimates that the probability of his making a sale with each attempt is .11. What is the probability of Jorge making more than 10 sales if he makes 80 calls? Round your answer to four decimal places, if necessary. The probability is __________.