The table shows the wavelength of the sound produced by keys on a piano x keys away from the A above middle C.
2 answers:
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Where x is the length of the first piece
so the first piece is 3 inches, the second is 6 inches and the third is 19 inches
so the first piece is 3 inches, the second is 6 inches and the third is 19 inches
Step-by-step explanation:
Let's look at what we know. We know that...
P=2000
r=0.04 (Change 4% to a decimal)
t=7 (25 years minus 18 years equals 7)
n=1
Since we are compounding each year, we need to use this equation:
Now just plug the numbers in: (Answer to #1:)
This equals 2631.86
When we round, this equals to $2,632. (Answer to #2).