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3 years ago

Please help me I really need to finish this

Mathematics

2 answers:

Rudik [331]3 years ago

5 0

Answer:

Step-by-step explanation:

Marianna [84]3 years ago

3 0

18. the area for each side is 1in^2 and there are 6 sides. so the area of 1 cube is 6 in^2. 6*3=18

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The function in Exercise represents the rate of flow of money in dollars per year. Assume a 10-year period at 8% compounded cont

anzhelika [568]

Answer:

a) The present value is 688.64 $

b) The accumulated amount is 1532.60 $

Step-by-step explanation:

a) The preset value equation is given by this formula:

$P=\int^{T}_{0}f(t)e^{-rt}dt$

where:

T is the period in years (T = 10 years)
r is the annual interest rate (r=0.08)

So we have:

$P=\int^{T}_{0}(0.01t+100)e^{-rt}dt$

Now we just need to solve this integral.

$P=\int^{T}_{0}0.01te^{-rt}dt+\int^{T}_{0}100e^{-rt}dt$

$P=e^{-0.08t}(-1.56-0.13t)|^{10}_{0}+1250e^{-0.08t}|^{10}_{0}$

$P=0.30+688.34=688.64 $$

The present value is 688.64 $

b) The accumulated amount of money flow formula is:

$A=e^{r\tau}\int^{T}_{0}f(t)e^{-rt}dt$

We have the same equation but whit a term that depends of τ, in our case it is 10.

So we have:

$A=e^{r\tau}\int^{T}_{0}(0.01t+100)e^{-rt}dt=e^{0.08\cdot 10}P$

$A=e^{0.08\cdot 10}688.64=1532.60 $$

The accumulated amount is 1532.60 $

Have a nice day!

6 0

3 years ago

What is Increase 48 by 1/2

antoniya [11.8K]

Answer:

50% percentage increase = 72

48 + 1/2 = 48.5

Step-by-step explanation:

8 0

3 years ago

Mary wants to fill a cylinder vase at the flower store they told her that the vase should be filled 3/4 for the flowers to last

7nadin3 [17]

Answer:

Hello I can I get some answers choics?

Step-by-step explanation:

5 0

3 years ago

Find the width of the rectangle prism when the surface area is 208 square centimeters

Pepsi [2]

Without more information, I assume it's a square and it's w/l =6.5 cm

4 0

3 years ago

I don’t understand how this works? Please help, thanks.

Dima020 [189]

Answer:

(B) Is the answer here

Step-by-step explanation:

Well a function’s domain can’t repeat no matter what.

Domain is X.

So the first one doesnt work since it repeats to every single digit that exists.

The second one works becuase the domain aren’t repeated and the range being repeated (or known as y) is but that deosn’t matter.

6 0

3 years ago

Read 2 more answers