A large helium balloon is tethered to the ground by two cables. One cable is 100 feet long and forms an 80 degree angle with the
ground. The second cable forms a 40 degree angle with the ground. How long is the second cable to the nearest foot? Also, how far apart are the tethers, rounded to the nearest foot?
1 answer:
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A=futurer amount
P=present amount
r=rate in decimal
n=number of times compounded per year
t=time in years
A=2500
r=0.05
n=2
t=2
divide both sides by [tex} 1.025^{4} [/tex]
2264.88=P
he should invest
$2264.88