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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 16:00
Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10
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Mathematics, 21.06.2019 17:00
Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle
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Mathematics, 21.06.2019 19:20
Math each whole number with a rational,exponential expression
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