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Mathematics, 21.06.2019 13:30
The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).
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Mathematics, 21.06.2019 15:00
The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f
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Mathematics, 21.06.2019 15:20
Acourgette seed and a pumpkin seed is planted p(courgette seed germinates) 4/5 and p(pumpkin seed germinates) = 1/6 what is the probability that both seds germinate
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Mathematics, 21.06.2019 16:00
Write two subtraction equations that are equivalent to 5 + 12 = 17.
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