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2 years ago

9

How to slove A=10,000(1+.08/2)*12

1 answer:

suter [353]2 years ago

3 0

This is basically the form of a compounded interest. Honestly the best answer i can give is: plug it into your calculator.
I'll give you a few "do it by hand" tips. Simplify 0.08/2 into 0.04. Now you do 1.04 to the 12th power in your calculator. Multiply that buy 10,000 is your answer. 16010.32 is your answer. This means that
You put $10,000 into some sort of savings account that gave 0.04 interest rate. You leave it there to be compounded each year for 12 years. And now you have 16010 dollars instead of 10k. Not bad at all if you're patient. :)

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2 years ago

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2 years ago

Multiply or divide as indicated. x^-8 • x^-2

gladu [14]

ANSWER

$\frac{1}{ {x}^{10} }$

EXPLANATION

The given exponentiial expression is

${x}^{ - 8} \bullet {x}^{ - 2}$

We simplify using the rule:

${a}^{m} \times {a}^{n} = {a}^{m + n}$

We apply this property to get:

${x}^{ - 8} \bullet {x}^{ - 2} = {x}^{ - 8 + - 2}$

We simplify to get;

${x}^{ - 8} \bullet {x}^{ - 2} = {x}^{ - 10}$

We rewrite as a positive index to get;

${x}^{ - 8} \bullet {x}^{ - 2} = \frac{1}{ {x}^{10} }$

7 0

3 years ago

How do you do a and d?

madam [21]

Answer:

a. 440

b. 100

c. 1800

d. 320

Step-by-step explanation:

a. $7000 is 3000 +4000 so this falls in two pay ranges.

0.04(3000) + 0.08(4000) = 120+320 = $440

b. $2500 is lower than 300 so it falls in only one pay range.

0.04(2500) = $100

c. 12,000 is greater than both 3000 and 8000 so this falls in the last pay range.

0.15(12000) = $1800

d. $5500 is 3000+2500 so this falls in two pay ranges.

0.04(3000) + 0.08(2500) = 120+200 = $320

4 0

2 years ago