Mathematics, 13.10.2020 04:01 christianmason9423
ROOFTOP Lucia is 5.5 feet tall. She is standing on the roof of a building that is 80 feet tall. She spots a fountain at ground level that she knows
to be 122 feet away from the base of the building. What is the measure of the angle of depression formed by Lucia's horizontal line
of sight and
her line of sight to the fountain? Round your answer to the nearest degree.
5.5 fts
80 ft
122 ft
how many degrees
Answers: 3
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 21:00, memoryofdale
Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)
Answers: 2
ROOFTOP Lucia is 5.5 feet tall. She is standing on the roof of a building that is 80 feet tall. She...
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