Mathematics, 16.04.2020 22:03 inesperezferrere
The formula for measuring sound intensity in decibels D is defined by the equation D = 10 log(I/I^0 UNDER) where I is the intensity of the sound in watts per square meter and I UNDER 0= 10^-12 is the lowest level of sound that the average person can hear. How many decibels are emitted from a jet plane with a sound intensity of 8.3· 10² watts per square meter?
Answers: 2
Mathematics, 21.06.2019 13:00
Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.
Answers: 1
Mathematics, 21.06.2019 16:00
Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply
Answers: 2
Mathematics, 21.06.2019 17:30
Nine more than four times a number is the same as one less than twice the number. find the number?
Answers: 1
The formula for measuring sound intensity in decibels D is defined by the equation D = 10 log(I/I^0...
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