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jeka57 [31]
3 years ago
8

Finding Account Balances In Exercise,complete the table to determine the table A for P dollars invested at rate r for t years,co

mpounded n times per year .see Example 3.
n 1 2 4 12 365 continuous compounding
A
p = $1000,r = 4%,t = 20 years
Mathematics
1 answer:
inysia [295]3 years ago
6 0

Answer:

n = 1, A = $2,191.12

n = 2, A = $2,208.04

n = 4, A = $2216.71

n = 12, A = $2222.58

n = 365, A = $2225.44

Compound continuously, A = $2,225.54

Step-by-step explanation:

We are given the following in the question:

P = $1000

r = 4% = 0.04

t = 20 years

Formula:

The compound interest is given by

A = P\bigg(1 + \displaystyle\frac{r}{n}\bigg)^{nt}

where P is the principal, r is the interest rate, t is the time, n is the nature of compound interest and A is the final amount.

For n = 1

A = 1000\bigg(1 + \displaystyle\frac{0.04}{1}\bigg)^{20}\\\\A = \$2,191.12

For n = 2

A = 1000\bigg(1 + \displaystyle\frac{0.04}{2}\bigg)^{40}\\\\A = \$2,208.04

For n = 4

A = 1000\bigg(1 + \displaystyle\frac{0.04}{4}\bigg)^{80}\\\\A = \$2216.71

For n = 12

A = 1000\bigg(1 + \displaystyle\frac{0.04}{12}\bigg)^{240}\\\\A = \$2222.58

For n = 365

A = 1000\bigg(1 + \displaystyle\frac{0.04}{365}\bigg)^{7300}\\\\A = \$2225.44

Compounded continuously:

A = Pe^{rt}\\A = 1000e^{0.04\times 20}\\A = $2,225.54

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creativ13 [48]

The given logarithmic equation solved for x is x = 10

<h3>Solving Logarithmic equations</h3>

From the question, we are to solve the given logarithmic equation.

The given logarithmic equation is

log((4x)/(8)) = log(x - 5)

To solve the given logarithmic equation, we will determine the value of the unknown variable.

The unknown variable in the equation is x.

From one of the rules of logarithm, we have that

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We can write that

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