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Question 629419: hi! i need help on this problem.
The water level of a 15 cm x 12 cm based container is 8 cm high. How much water is there? If the water is poured into a 10 cm x 16 cm based container, what will be the water level?
Volume of the water in the container = ________________________
Water level of the new container = _______________cm
Click here to see answer by Alan3354(31518)  |
Question 632031: The average weight of 3 men A,B and C is 85kg. Another man D joins the group the average weight becomes 81kg. If another man E whose weight is 4kg more than that of D,replace A the average weight of B,C,D and E becomes 78kg. What is the weight of A?
Click here to see answer by Theo(3504)  |
Question 636166: You are taking a physics class. There will be four tests. You earned an 86, 93, and an 89 on the first three tests. You must make a total of 360 or more to get an A. What score on the last test will give you an A?
Click here to see answer by Alan3354(31518)  |
Question 637357: The average age of 30 care home residents was 77. The next day four 73 year olds move in while one resident moves out. The average age of the residents is now 76. How old was the resident who moved out assuming nobody had a birthday that day.
Click here to see answer by god2012(108)  |
Question 637459: I'm learning about central tendency
It is the end of the semester and Kyle has one test left. His 4 test grades are 90, 83, 75, 84. What does he need to make on the 5th test to have a mean test grade of 85?
Click here to see answer by ewatrrr(10682)  |
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