2 years ago

Help I don’t understand

Mathematics

1 answer:

prohojiy [21]2 years ago

7 0

Answer:

Jesus Christ what grade your in????

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How long would it take to double your principal in an account that pays 6.5% annual interest compounded continuously? round your

prisoha [69]

It would take 10.7 years.

The formula for continuously compounded interest is:
$A=Pe^{rt}$
where P is the principal, r is the interest rate as a decimal number, and t is the number of years.

Using our information we have:
$A=Pe^{0.065t}$

We want to know when it will double the principal; therefore we substitute 2P for A and solve for t:
$2P=Pe^{0.065t}$

Divide both sides by P:
$\frac{2P}{P}=\frac{Pe^{0.065t}}{P}
\\
\\2=e^{0.065t}$

Take the natural log, ln, of each side to "undo" e:
$\ln{2}=\ln{e^{0.065t}}
\\
\\0.6931471806=0.065t$

Divide both sides by 0.065:
$\frac{0.6931471806}{0.065}=\frac{0.065t}{0.065}
\\
\\10.7\approx t$

8 0

3 years ago

Read 2 more answers

If Regent Tax Services' office supplies account balance on March 1 was $850, the company purchased $450 of supplies during the m

harina [27]

Answer:

The adjusting entry for office supplies on March 31 is:

Dr Cr

Supplies Expense 250

Office Supplies 250

Step-by-step explanation:

850+450-1,050 = $250