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777dan777 [17]
3 years ago
5

Noah wants to buy a 5 year annuity that pays $1000 at the end of each year, starting one year from now. It earns interest at 6.2

5% compounded annually. How much will it cost him? Include in your answer: -- Calculations for n and - What formula you are using - Answer to the question âº
Mathematics
1 answer:
pav-90 [236]3 years ago
5 0

Answer:

cost is $4183.87

Step-by-step explanation:

given data

time t = 5 year

amount A = $1000

rate r = 6.25 %  = 0.0625

to find out

how much it will cost

solution

we will apply here formula for present value of annuity that is express as

present value = amount ×\frac{1-(1+r)^{-t}}{r}      ....................1

put here all these value we get cost we will pay

present value = amount ×\frac{1-(1+r)^{-t}}{r}

present value = 1000 ×\frac{1-(1+0.0625)^{-5}}{0.0625}

present value = 4183.869221

so cost is $4183.87

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The answer is 15.

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If x-y = 40 and x+y = 70, then what is the value of x squared -y squared ?
OlgaM077 [116]

Let's see what to do buddy...

____________________________

Reminder:

(a + b)(a - b) =  {a}^{2} -  {b}^{2}

So we need to just Multiply above equations like this :

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7 0
3 years ago
A subtending arc on a circle with a radius of 4.5 centimeters has an arc length of 8π. The measure of the angle subtended by the
dem82 [27]

Answer: 320°

Step-by-step explanation:

This is a circle geometry.

The arc length of the circle is given to be 8πcm and the radius is 4.5cm.

Now the length of an arc of a circle is

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To find the angle 0° subtend at the center we equate the arc length with the formula and solve for 0°.Now we go

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-----------

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