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3 years ago

Ava deposited $3,500 in an account that earned 4.375% interest

Mathematics

1 answer:

Bumek [7]3 years ago

5 0

Answer:

4335.61

Step-by-step explanation:

Using the equation A = P (1 + r/n)^nt

lets fill in the variables,

P (principal) is 3500.00

r (rate) is .04375 - we do this in decimal form

n (number of times interest is doubled) here it is annually, could be monthly or daily too, but we are told annually, so we use 1

t (time) is 5 years

So: 3500(1+.04375/1) ^ 1(5)

pemdas

parenthesis first 1 +.04375/1 = 1.04375

exponents next 1 x 5 = 5

so now we have 3500 (1.04375) ^5

take 1.04375 to the power of 5 (pemdas) then multiplication

= 3500(1.2387465058) or

A = 4335.61

This is the same result as calculating simple interest for 5 years but each year calculating off the new Principal amount that includes interest.

3500 x .04375 = 153.125 or 3653.125 *(year one)

159.82 = 3812.95

166.82 = 3979.77

174.11 = 4153.88

181.73 = 4335.61

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Find the radius of the circle whose equation is x^2 + y^2 = 4.

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Given equation of the circle is $x^2 + y^2 = 4$ .

Now we need to find the radius of the given circle $x^2 + y^2 = 4$ .

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Answer:

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4. 5/14

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first get the total number of pens

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2. What is the probability that the pen chosen is blue?

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3. What is the probability that the pen chosen is black?

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4. What is the probability that the pen chosen is green?

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5. What is the probability that the pen chosen is NOT red?

of the 3 red pens, 4 blue pens, 2 black pens and 5 green pens

4 blue pens, 2 black pens and 5 green pens are NOT red

4 blue pens + 2 black pens + 5 green pens =

11 total number of pens that are NOT red

11 total number of pens that are NOT red out of a total of 14 pens = 11/14

6. What is the probability that the pen chosen is NOT green?

of the 3 red pens, 4 blue pens, 2 black pens and 5 green pens

the 3 red pens, 4 blue pens, 2 black pens are NOT green

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9 total number of pens that are NOT green

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