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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How many times louder is a 20 decibel sound than a 0 decibel sound?
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Approximately how many times louder is a 110dB sound than a 80dB sound?

1000 times louder. Every 10 decibel, the intensity increases by a factor of 10.1000 times louder. Every 10 decibel, the intensity increases by a factor of 10.1000 times louder. Every 10 decibel, the intensity increases by a factor of 10.1000 times louder. Every 10 decibel, the intensity increases by a factor of 10.


How many times louder is a sound wave with a intensity of 83db than a sound wave with an intensity of 70db?

Use the definition of decibel. The factor can be calculated as is 10(83-70/10). = 101.3.


A sound that measures 30 decibels is how many times louder than the threshold of hearing?

A sound that measures 30 decibels is how many times louder than the threshold of hearing? 1000


How many times louder is a sound wave with an intensity of 50dB than a sound wave with an intensity of 20dB?

30 dB louder = 1,000 times as much power.


How many times louder is the sound of a jet engine at close range than the sound of a normal conversation?

The sound of a normal conversation is 60dB (decibels) and a close range jet is 140dB. This makes a jet at close range over 2 times as many decibels than a close range jet. The sound of a normal conversation is 60dB (decibels) and a close range jet is 140dB. This makes a jet at close range over 2 times as many decibels than a normal conversation. The above answer is FALSE: The decibel scale is logarithmic and thus a 140 dB sound would be 10^14 above 0 decibel; the 60 dB sound would be 10^6 above 0 decibel. Thus the close range jet is around 10^(14 - 6) = 10^8, or 100,000,000 times the loudness of a normal conversation.


How many times louder is a 50 dB sound than a 20 dB sound?

50dB - 20dB = 30 dB = 1,000 times as much power


How many decibles does heart beat?

A heartbeat has been measured at 1 decibel, the measurement of sound. 1 decibel is the lowest range of sound. This is also the quietest sound that can heard by a human being.


A sound that measures 30 decibels is how many times louder than the human threshold of hearing?

D. 1000


How many times louder is a 100 decibel sound than a 60 decibel sound?

40 dB gain change should give about the ratio of 16 for sensed volume and loudness, 40 dB gain change gives the ratio of 100 for measured voltage and sound pressure and 40 dB gain change gives the ratio of 1000 for calculated sound power and acoustic intensity. Go to the link: Subjectively perceived loudness (volume), objectively measured sound pressure (voltage), and theoretically calculated sound intensity (acoustic power).


How many times louder is an air raid siren than a lorry?

8 times louder


How many decibel does a car produce?

It depends on how close at the car you measure the sound with a sound pressure level meter.


How many times louder is an 80 dB sound compared to a 40 dB sound?

80dB is 40dB more power than 40dB.40dB more power = 104 = 10,000 times more

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