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Katyanochek1 [597]
3 years ago
6

How to write 3,897.003 in expanded form

Mathematics
1 answer:
alexdok [17]3 years ago
8 0
3,000 + 800 + 90 + 7 + .003 = 3,897.003
Hope this helps!!!:)
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A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, t
matrenka [14]

Answer:

509.35 feet

Step-by-step explanation:

16°23' means 16 degrees and 23 minutes.  A minute is 1/60 of a degree.

16°23' = 16 + (23/60) = 16.383°

Similarly:

49°29' = 49 + (29/60) = 49.483°

When the boat is first noticed:

tan(16.383°) = 200 / a

a = 200 / tan(16.383°)

a = 680.27

When the boat stops:

tan(49.483°) = 200 / b

b = 200 / tan(49.483°)

b = 170.92

So the difference is:

a − b = 680.27 − 170.92 = 509.35

The boat traveled 509.35 feet from the time it was first noticed to the time it stopped.

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3 years ago
What is the value of f(-2) if f(x) = - 3x2 + 4x - 1
pashok25 [27]

Given the function below:

\large{f(x) =  - 3 {x}^{2}  + 4x - 1}

To find f(-2), we substitute x = -2 in the equation. Since f(-2) means the value of f(x) at x = -2.

\large{f( - 2) =  - 3 {( - 2)}^{2}  + 4( - 2) - 1}

Replace x-term to -2 and evaluate.

\large{f( - 2) =  - 3(4) - 8 - 1} \\  \large{f( - 2) =  - 12 -  8 - 1 \longrightarrow f( - 2) =  - 21}

Answer

  • f(-2) = -21

Let me know if you have any doubts!

4 0
3 years ago
If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 ft per second, then its height h
Rufina [12.5K]

Answer:

undefined

Step-by-step explanation:

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If you take the function and the time at face value, ...

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*The deepest hole ever drilled into the Earth is 40,230 feet deep, so this is almost 2 miles deeper.

4 0
3 years ago
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En los numeros 4,5,8,10 y 11 cual es el numero que menos se repite
Oliga [24]

Answer:

menos se repite es

9 porque despues del 4 5 6 7 8 ( 9 ) 10 y 11

5 0
3 years ago
How to solve problem?
nirvana33 [79]

Answer:

5042

Step-by-step explidkanation:

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