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4vir4ik [10]
2 years ago
15

If $945 is invested at an interest rate of 4% per year and is compounded continuously, how much will the investment be worth in

10 years?
Use the continuous compound interest formula A = Pert.


A. $947

B. $984

C. $1,028

D. $1,410
Mathematics
1 answer:
ASHA 777 [7]2 years ago
5 0

Answer:

Option D \$1,410  

Step-by-step explanation:

we know that

The formula to calculate continuously compounded interest is equal to

A=P(e)^{rt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest in decimal  

t is Number of Time Periods  

e is the mathematical constant number

we have  

t=10\ years\\ P=\$945\\ r=0.04  

substitute in the formula above  

A=945(e)^{0.04*10}  

A=945(e)^{0.4}  

A=\$1,410  

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Answer: 2\frac{2}{3}\ hours

Step-by-step explanation:

Given: The total time taken by Evan to mow the 3 lawns = 6\frac{3}{4}=\frac{27}{4}\ \text{hours}

Time taken by Evan to mow the first lawn =2\frac{1}{3}=\frac{7}{3}\ \text{hours}

Time taken by Evan to mow the second lawn =1\frac{3}{4}=\frac{7}{4}\ \text{hours}

Now,Time taken by Evan to mow the third lawn =\frac{27}{4}-\frac{7}{3}-\frac{7}{4}

⇒Time taken by Evan to mow the third lawn =\frac{81-28-21}{12}

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Hence, the time taken by Evan to mow the third lawn = 2\frac{2}{3}\ hours

7 0
2 years ago
Sara borrowed $500 for four years at 3 percent interest, compounded annually. Use the formula to calculate the total amount she
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A=500×(1+0.03)^(4)
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8 0
2 years ago
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strojnjashka [21]
Hi there!

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When we know 18% of the price, we can also find 1% of the total price.

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Divide both sides by 18.

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5 0
2 years ago
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