subject
Mathematics, 18.09.2019 12:00 bryanawesome23

One person can do a certain job in fifteen minutes, and another person can do the same job in thirty minutes. how many minutes will it take them to do the job together?
5 min
10 min
20 min

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2
Answers: 2
question
Mathematics, 21.06.2019 19:50
The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:
Answers: 3
question
Mathematics, 21.06.2019 20:10
Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12
Answers: 3
question
Mathematics, 22.06.2019 06:10
Triangle abc is a right triangle. find the measure of side b. round to the nearest hundredth. a) 6.13 cm b) 6.71 cm c) 9.53 cm d) 10.54 cm e) 12.45 cm
Answers: 1
You know the right answer?
One person can do a certain job in fifteen minutes, and another person can do the same job in thirty...
Questions
question
Mathematics, 06.05.2021 22:10
question
Geography, 06.05.2021 22:10
question
Mathematics, 06.05.2021 22:10
Questions on the website: 13722367