Mathematics, 17.02.2020 21:04 castroarlety
Receiver A detects a sound level of 75 dB at a distance of 25 m from a speaker, which emits sound equally in all directions. Receiver B detects a sound level of 55 dB from the same speaker. How far is receiver B from the speaker?
Answers: 3
Mathematics, 21.06.2019 18:30, darlene1283
Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?
Answers: 3
Mathematics, 21.06.2019 20:00, gordon57
Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Mathematics, 21.06.2019 22:00, malikxyo224
Rewrite so the subject can be y in the formula d=m-y/y+n
Answers: 1
Mathematics, 22.06.2019 00:00, tdahna0403
Which statement explains the relationship between corresponding terms in the table?
Answers: 1
Receiver A detects a sound level of 75 dB at a distance of 25 m from a speaker, which emits sound eq...
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