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Mathematics, 25.06.2019 01:30 Isabella1319
Two mechanics worked on a car. the first mechanic worked for 20 hours, and the second mechanic worked for 5 hours. together they charged a total of 2575. what was the rate charged per hour by each mechanic if the sum of the two rates was 170$ per hour?
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Mathematics, 21.06.2019 18:00
The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old
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Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin
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Two mechanics worked on a car. the first mechanic worked for 20 hours, and the second mechanic worke...
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