hayar e identificar la ecuación del lugar geométrico de un punto que se mueve de tal manera que su distancia del punto (3,2) es siempre igual al triple de su distancia a la recta Y+1=0

The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.