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MA_775_DIABLO [31]
2 years ago
10

John invested $45 000 in the investment account that pays an interest rate of 17.75%p.a. compounding bi-annually for 10 years. A

fter five and half years from the investment starting date, the interest rate changed from 17.75% to 18.25% p.a. compounding quarterly apply the formula, E=A (1+i/100)^n. what will be the compound amount will John have after 10 years
Mathematics
1 answer:
Softa [21]2 years ago
4 0
I will rewrite the formula on my own way.
The formula is
A=p (1+r/k)^kt
A future value?
P present value 45000
R interest rate 0.1775
K bi-annually 2
T time 5.5 years for the first period
A=45,000×(1+0.1775÷2)^(2×5.5)
A=114,662.75225375

Now use the formula again where the present value is 114,662.75225375 and the interest rate is 18.25% compounded quarterly (4).
The time of the rest of the period is 4.5 years (10-5.5)

A=114,662.75225375×(1+0.1825÷4)^(4×4.5)
A=255,970.32....answer
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Joe is making a ramp.Find the length of the ramp if the height is 7meters and the base is 24 meters
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Answer:

the length of the ramp is 25 meters

Step-by-step explanation:

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So we use Pythagorean theorem to find the length of the ramp

AC^2(hypotenuse) = AB^2 + BC^2

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Also
6/100 = 6% = 0.06
also
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To find a spesific share of a total, we can multiply the perectage with the total, like this: Total * 6% or in a way easier to work with: Total * 0.06 or (Total * 6)/100

If you have a calculator i would recommend using the decimals, as they are one of the easiest to type in - and remember once you get the hang of it.

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