Mathematics, 17.12.2020 18:10 rhiannonwheatcr5743
Mary and Sue work at a clock factory. Mary makes clocks that chime every 9 minutes. Sue makes clocks that chime every 15 minutes. In how many minutes will their clocks chime together for the first time?
Answers: 1
Mathematics, 21.06.2019 22:00
Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2
Answers: 1
Mary and Sue work at a clock factory. Mary makes clocks that chime every 9 minutes. Sue makes clocks...
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