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2 years ago

Can you plz help with this?

Mathematics

2 answers:

sashaice [31]2 years ago

7 0

The answer should either be c or d I am not 100 percent sure sorry

umka21 [38]2 years ago

4 0

The answer should be D.

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3 years ago

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2 years ago

kelly plans to put her graduation money into an account and leave it there for 4 years while she goes to collge she recieves $75

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Answer:

$FV=887.3967212$ $

Step-by-step explanation:

Use the compound-interest formula:

$FV=PV(1+\frac{r}{n}) ^{nt}$

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FV=Future value or the ending amount

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n=Number of compoundings in any one year=2

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Now, replacing the data in the equation:

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4 0

3 years ago

A girl is flying a kite with a 120ft string attached to the ground is flying directly Selena’s head is standing 24 ft from where

SashulF [63]

Answer:

111.58 feet

Step-by-step explanation:

Given that the length of the string (AB in the attached diagram) is 120 feet.

Selena (at point D) is standing 24 feet from point A, where the kite is attached to the ground.

Since the kite is directly above Selena's head, the problem forms a right triangle.

Using Pythagoras theorem

$|AB|^2=|BD|^2+|AD|^2\\120^2=|BD|^2+24^2\\|BD|^2=120^2-24^2\\|BD|^2=13824\\|BD|=\sqrt{13824} \\|BD|=117.58$ ft$

Serena's height (CD=6 feet)

The distance of the kite above her head is BC in the drawn diagram.

Therefore:

|BD|=|BC|+|CD|

117.58=|BC|+6

|BC|=117.58-6

|BC|=111.58 feet

The kite is approximately 111.58 feet above Selena's head/

5 0

3 years ago