Mathematics, 12.08.2020 05:01 gonzaloc
(20 POINTS) Jack can paint an entire house in 3 hours. Jill can do the same job in 4 hours. What portion of the house can they paint in 1 hour if they work together?
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Mathematics, 21.06.2019 18:00
Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.
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Mathematics, 21.06.2019 20:00
Prove that the value of the expression 7^8β7^7+7^6 is divisible by 43.
Answers: 1
(20 POINTS) Jack can paint an entire house in 3 hours. Jill can do the same job in 4 hours. What por...
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