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Juliette [100K]
2 years ago
12

A principal of $3800 is invested at 6.75% interest, compound annually. How much will the investment worth after 9 years?

Mathematics
1 answer:
frozen [14]2 years ago
6 0

Answer:

$6840.60

Step-by-step explanation:

formula od compound interest A= P (1 =r/n)ⁿ⁹

where n=1 when it is compunded annually  and t= 9 years

A= 3800(1+6.75/100)⁹

A= 3800 ( 1+0.0675)⁹

A= 3800(1.0675)⁹

A=3800(1.800)

A= 6,840.60 $

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The volume of a volleyball is about 288 cubic inches. what is the radius of the volleyball, to the nearest tenth of an inch? use
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Answer:

The radius of the volleyball is 8.3 inches

Step-by-step explanation:

Given

r = \sqrt{\frac{3v}{4\pi}}

v = 288

Required

Determine the value of r

To do this, we simply substitute 288 for v and 3.14 for π in the given equation.

This gives

r = \sqrt{\frac{3v}{4\pi}}

r = \sqrt{\frac{3 * 288}{4 * 3.14}}

r = \sqrt{\frac{864}{12.56}}

r = \sqrt{68.7898089172}

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r = 8.3\ inch (Approximated)

Hence;

<em>The radius of the volleyball is 8.3 inches</em>

3 0
2 years ago
Read 2 more answers
I need help with this .
vaieri [72.5K]
I would be glad to help you! I will solve through 3 to get you started.

This is a very important concept, so it would be helpful if you learn it on your own.

C= 2* pi* r

1. The radius is 5 cm. 5 cm represents r in the equation.
C= 2* 3.14 (or pi)* 5 
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My answer was 31.4.

Let's try the second one.
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I got 28.26

One more. 
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35.17 was my answer.

Make sure to add the end signs to you answer, ft, cm, meter, etc.

Let me know if you need more help.

Brainliest answer is always appreciated.
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3 years ago
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