Math, 14.11.2022 04:25 batopusong81

# A tank fitted with two pipes is to be filled with water. one pipe can fill it in 15 hours. after it has been open for 3 hours the second pipe is opened and the tank is filled in 4 hours how long would it take the second pipe alone to fill the tank

Answers: 2

Math, 28.10.2019 20:29

You can solve a problem in 1/5 of a minute. at this rate, how many problems can you solve in 3/4 of a minute

Answers: 2

Math, 28.10.2019 20:29

A1 = 5 an=17 sn=44 find d and snwhat formulaaa cann i use in finding d? ?

Answers: 1

Math, 28.10.2019 22:29

In an attempt to be environmentally friendly, the city council decides that there must be at least 18 trees on each block in the city. a sample of 20 blocks was randomly surveyed, with these results (number of trees per block): 24, 17, 7, 20, 28, 27, 10, 21, 30, 8, 30, 27, 22, 27, 27, 13, 27, 20, 24, 17. what is the sample mean number of trees per block ? a. 17.7 b. 21.3 c. 24 d. there is insufficient data to answer this question.

Answers: 1

A tank fitted with two pipes is to be filled with water. one pipe can fill it in 15 hours. after it...

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