Mathematics, 08.08.2019 20:30, sophiav9627
Sarah walks 20 feet away from her house and places a mirror on the ground. she backs 5 feet away from the mirror so that she can see the tip of the roof. sarah's eyes are 4 feet above the ground. sarah and the house are both perpendicular to the ground. the angles between the top of the house, the mirror, and the ground and between sarah's eyes, the mirror, and the ground are congruent as shown in the image below:
image depicts a mirror on the ground between a person and a house. the mirror is 5 feet away from the person and 20 feet away from the house.
what is the height of the house? show your work and explain your reasoning in complete sentences.
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
Mathematics, 21.06.2019 22:10, carsondelane13
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
Mathematics, 22.06.2019 00:00, sarahmolina246
Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!
Answers: 1
Sarah walks 20 feet away from her house and places a mirror on the ground. she backs 5 feet away fro...
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