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boyakko [2]
3 years ago
15

The second side of a triangle is 2 times the first side. The third side of a triangle is 6 times the first side. If the perimete

r of the triangle is 72 feet, find the length of each side.
Mathematics
1 answer:
guajiro [1.7K]3 years ago
5 0

Answer:

First side is 8 feet

second side is 16 feet

third side is 48 feet

Step-by-step explanation:

x + 2x + 6x = 72

9x = 72

x = 72/9

x = 8

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4 years ago
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grigory [225]
First we need to calculate annual withdrawal of each investment
The formula of the present value of an annuity ordinary is
Pv=pmt [(1-(1+r)^(-n))÷(r)]
Pv present value 28000
PMT annual withdrawal. ?
R interest rate
N time in years
Solve the formula for PMT
PMT=pv÷[(1-(1+r)^(-n))÷(r)]

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PMT=28,000÷((1−(1+0.058)^(−4))
÷(0.058))=8,043.59
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Solve for the second investment
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Answer d

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