Mathematics, 21.01.2020 01:31 bri1334
Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worked for 5 hours. together they charged a total of $1050. what was the rate of change per hour by each mechanic if the sum of the two rates was $135 per hour?
Answers: 1
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Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample
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Mathematics, 22.06.2019 01:40
Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.
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There are a total of 75 students in the robotics club and science club. the science club has 9 more students than the robotics club. how many students are in the science club?
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Mathematics, 22.06.2019 02:10
What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.
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Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worke...
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