Mathematics, 17.11.2020 18:30 noahprice0519
The formula
the smallest sound intensity that can be heard by the human ear (approximately
28 = 10log(io) is used to find the sound level. B. in decibels (dB), of a sound with an intensity of . In the formula. Forepresents
10-12 watts/meter)
The sound level on a busy street is 70 dB. What is the sound intensity on the street?
Answers: 2
Mathematics, 21.06.2019 14:30
Find the value of 1715β
211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.
Answers: 1
Mathematics, 21.06.2019 17:30
The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?
Answers: 2
Mathematics, 21.06.2019 18:50
Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 β 10x +2?
Answers: 1
Mathematics, 22.06.2019 00:30
Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45Β°. the angle that kelly looks up to see the top of the lighthouse is yΒ°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of xΒ° . in two or more sentences, explain your calculations
Answers: 1
The formula
the smallest sound intensity that can be heard by the human ear (approximately
28...
28...
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