5(a-2b)-3(a-2b)algebra2 .-.

2 answers:

7 0

5(a - 2b) - 3(a - 2b) |use distributive property: a(b - c) = ab - ac

= 5a - 10b - 3a + 6b

= (5a - 3a) + (-10b + 6b)

= 2a - 4b

Otrada [13]3 years ago

3 0

Formula <span> </span> $a(b - c) = ab - ac
$

$5(a - 2b) - 3(a - 2b)$

$5a - 10b - 3a + 6b$

$(5a - 3a) + (-10b + 6b)$

$2a - 4b$

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Answer:

Using continuous interest 6.83 years before she has $1600.

Using continuous compounding, 6.71 years.

Step-by-step explanation:

Compound interest:

The compound interest formula is given by:

$A(t) = P(1 + \frac{r}{n})^{nt}$

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.

Continuous compounding:

The amount of money earned after t years in continuous interest is given by:

$P(t) = P(0)e^{rt}$