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lana [24]
3 years ago
6

Question 2 of 10

Mathematics
1 answer:
Inessa05 [86]3 years ago
3 0
C. 4x2 +xd-1jdjdjejejejw
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Suppose Miss Roxanne Davenport is 25 years old right now and puts away $1,800 per quarter in an account that returns 6% interest
Lena [83]

We have been given that miss Roxanne is 25 years old and she puts 1800 dollars per quarter that returns 6% interest.

(a) We need to figure out how much will be in the account when she turns 65 years old. When she turns 65 years old, the number of years during which she made deposits would be 40. Since she made quarterly deposits. She made a total of 160 deposits. We can now figure out the final amount in the account using future value of annuity formula.

A=P\frac{(1+r)^{n}-1}{r}

We have the values P=1800, r=6/4% = 1.5% = 0.015 and n=160.

Therefore, the amount in the account would be:

A=1800\frac{(1+0.015)^{160}-1}{0.015}=1179415.39

Therefore, miss Roxanne will be 1179415.39 dollars in her account when she turns 65 years old.

(b) In this part we need to figure out the total amount she deposited.

The total amount she deposited would be 1800*160=\$288000.

(c) We can find the interest earned by subtracting her contribution from the answer of part (a).

Interest earned = 1179415.39-288000=\$891415.39

7 0
3 years ago
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Find the discount on a note for $23,000 made by Jacques on February 10 to be repaid on August 10 of the same year with a discoun
Olenka [21]

Total Value =$23,000

Time = 10 february to 10 august = 6 months

And

Rate of discount = 9% =0.09


Now we have to find the discount on the note

So we multiply the amount , time and rate

but time should be in years

So 6 months = 6/12 years = 0.5 years


So

Discount = 23,000 * 0.5 * 0.09 = 1035


Hence total Discount = $1035

3 0
3 years ago
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Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation 7 If
Juliette [100K]

Answer:

The required constant of variation is 4 and the equation is y=4xz over w (over meaning a fraction)

I don't know if you need a explanation on how to do this, just let me know if so.

Step-by-step explanation:

7 0
2 years ago
Carlos solved the system of equations below. What mistake did he make in his work? (5 points)
notka56 [123]

Answer:

Ele não distribuiu corretamente

Step-by-step explanation:


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3 years ago
Gerald paid 12.60 for tank of gas how many gallons did he buy?
nydimaria [60]

Answer:

Step-by-step explanation:

Can you tell me how much it costs to get gas?

5 0
2 years ago
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