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den301095 [7]
3 years ago
5

Isabella invested $1300 in an account that pays 4.5% compounded annually. Assuming no deposits or withdrawals are made , find ho

w much money Isabella would have in the account 14 years after her initial investment . Round to the nearest tenth.
Mathematics
1 answer:
Anastaziya [24]3 years ago
5 0

Answer:

$2,407.5

Step-by-step explanation:

To solve this question, we will use the formula for calculating the amount formula as shown;

A =P(1+r)^n

Given that;

P = #$1300

r = 4.5% = 0.045

t = 14years

Substitute

A = 1300(1+0.045)^14

A = 1300(1.045)^14

A = 1300(1.8519)

A = 2,407.5

Hence Isabella would have $2,407.5 in her account after 14years

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ycow [4]

I think this video will help you so much, it's about how to solve it from Khan Academy

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-scientific-notation/v/scientific-notation-old

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What is the measure of BC if AB = 8 m and m∠A is 42°? Round to the nearest tenth of a meter.
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BC = 7.2 m 
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4 years ago
Help please.........
finlep [7]

Answer:

B

Step-by-step explanation:

The volume (V) of the prism is calculate as

V = lbh ( l is the length, b the width and h the height )

l = h =  4 × \frac{1}{3} = \frac{4}{3}

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7 0
3 years ago
A farmer is constructing a rectangular pen with one additional fence across its width. Find the maximum area that can be enclose
konstantin123 [22]

The maximum area of the pen is the highest area the pen can have

The maximum area is 16200 square yards

Let the dimension be x and y.

So, the perimeter is given as:

\mathbf{P = 360}

Because it has one additional fence, the perimeter is calculated as:

\mathbf{2x + y = 360}

Make y the subject

\mathbf{y = 360 - 2x}

The area is calculated as:

\mathbf{A = xy}

Substitute \mathbf{y = 360 - 2x}

\mathbf{A = x(360 -2x)}

Expand

\mathbf{A = 360x -2x^2}

Differentiate

\mathbf{A' = 360 -4x}

Set to 0

\mathbf{360 -4x = 0}

Rewrite as:

\mathbf{4x = 360}

Divide both sides by 4

\mathbf{x = 90}

Substitute 90 for x in \mathbf{A = 360x -2x^2}

\mathbf{A = 360 \times 90 - 2 \times 90^2}

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Hence, the maximum area is 16200 square yards

Read more about maximum areas at:

brainly.com/question/11906003

7 0
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