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Varvara68 [4.7K]

3 years ago

5

The light from the lamp casts a shadow of a man standing 15ft away from the lamppost, the shadow is 5ft long. The angle of eleva

tion from the tip of the shadow to the lamp is 50degrees. To the nearest foot, the lamppost is how tall?

1 answer:

Kipish [7]3 years ago

6 0

Check the picture below

make sure your calculator is in Degree mode.

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Multiply or divide. Show your work.<br><br> 3n²-n/n²-1÷n²/n+1

Ugo [173]

$\frac{3n^{2} - n}{n^{2} - 1} \div \frac{n^{2}}{n + 1}$
$\frac{n(3n) - n(1)}{n^{2} + n - n - 1} \div \frac{n^{2}}{n + 1}$
$\frac{n(3n - 1)}{n(n) + n(1) - 1(n) - 1(1)} \div \frac{n^{2}}{n + 1}$
$\frac{n(3n - 1)}{n(n + 1) - 1(n + 1)} \div \frac{n^{2}}{n + 1}$
$\frac{n(3n - 1)}{(n - 1)(n + 1)} \div \frac{n^{2}}{n + 1}$
$\frac{n(3n - 1)}{(n - 1)(n + 1)} * \frac{n + 1}{n^{2}}$
$\frac{3n - 1}{n - 1} * \frac{1}{n}$
$\frac{3n - 1}{n(n - 1)}$

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3 years ago

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GarryVolchara [31]

Answer:

Step-by-step explanation:

The answer is 16 3/10

That's about as mixed as you can get it.

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Andre45 [30]

Answer:

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Step-by-step explanation:

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vivado [14]

8988989889 IDK hate doing the it but luv getting the answers

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Answer this A(n)=12(n-1)5

just olya [345]

Distribute:

(12n-12)5

60n-60 = A(n)

You can't really find what n is I don't think, because you have 2 unknown variables n and A(n).

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