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Ludmilka [50]
3 years ago
11

. Find the value of $1,300 invested at 4.2% interest compounded continuously for 5 years, 9 months. Round your final answer to t

he nearest hundredth, or cent, and show your work. Use e=2.718
Mathematics
1 answer:
BARSIC [14]3 years ago
5 0
The formula we use for continuous compounding is A=Pe ^{rt} where P is the initial amount invested, r is the rate as a decimal, and t is time in years.  Our P = 1300, our r = .042, and our t = 5.75 (9 months is 3/4 of a year, and 3/4 in a decimal is .75).  Putting all that into our formula we have A=1300(2.718) ^{(.042)(5.75)}.  We have to multiply those 2 powers together and then raise euler's number to it, then multiply by 1300.  Doing all of that, we get the amount at the end to be $1,655.10
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Answer:

(b)\ 2x - 9 = -1

(c)\ -2x + 12 = 4

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Step-by-step explanation:

Required

Which equals x = 4

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Collect like terms

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Divide both sides by 2

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Collect like terms

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Divide both sides by 2

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Collect like terms

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Divide both sides by -2

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Divide both sides by 2

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Collect like terms

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x = 3

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Divide both sides by 2

x - 10 = -6

Collect like terms

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Hence, the equations with the required solution are:

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