Answer: 11ft
Step-by-step explanation:
Answer:
The first one perimeter is 111
Step-by-step explanation:
How to find the perimeter is too add all the numbers you see
Answer:
71521.0763359
Step-by-step explanation:
first solve the equation in the parentheses than multiply your answer by 99
Sound intensity corresponding to 80 dB:
Step-by-step explanation:
The decibel of a normal conversation is 60 dB, which corresponds to an intensity of . (1)
The formula to use that relates the intensity of the sound in to the sound level in decibel is
Where
is the sound level in decibel
is the intensity
We can found by plugging in the numbers of (1):
Which corresponds to a sound level of 0 decibel.
Now we can find the intensity that corresponds to a sound level of
And from the equation we find:
Learn more about sound waves:
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Answer:
$123.25
Step-by-step explanation:
A selling price reflecting a 45% markup can be found by multiplying the wholesale price ($85) by (1 + 0.45), or 1.45:
1.45($85) = $123.25