What is the angle of elevation of a ladder leaning against a wall that reaches a height of 15 meters if the ladder is 20 meters long?
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Question:In a binomial distribution, if the probability of success is 0.3 and the number of trials is 50, what is the probability of exactly 10 successes?
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What is the equation of an ellipse with center (-2,3), major axis length of 6, and minor axis length of 4?