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Mathematics, 29.07.2019 16:30, nisha87
Ipromise a fan and a sarah is testing different types of planting soil to determine which type is most effective in growing blueberry bushes. she purchases two different brands of planting soil from a local store. sarah applies brand a to 1 area of the yard and brand b to another area of the yard, both of which receive full sunlight. she waters the area with brand b daily; she waters the area with brand a every other day. at the end of the study, sarah concludes brand b is more effective in growing blueberry bushes. why is her conclusion not valid,
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Mathematics, 21.06.2019 19:00, cheryljoseph69
Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?
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