Mathematics, 17.10.2021 14:50, devaughnnorthcu8221

(d) We do not usually write sign for positive numbers Is zero a positive number?

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Mathematics, 22.06.2019 03:30, jarrettashlyn

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Mathematics, 22.06.2019 05:30, ali7862

Two spray paint machines are used to paint different portions of a large wall. the first machine (nicknamed "paint pro") is used for two hours. the second machine (nicknamed "goldilocks") is used for an hour and a half. when they are working at the same time, they can paint 55 square feet per minute. together they painted 5850 square feet of wall. how many square feet of wall per minute can each machine paint? e used to paint different portions of a large wall. the first machine (nicknamed "paint pro") is used for two hours. the second machine (nicknamed "goldilocks") is used for an hour and a half. when they are working at the same time, they can paint 55 square feet per minute. together they painted 5850 square feet of wall. how many square feet of wall per minute can each machine paint?