All categories

3 years ago

From the top of a 178-ft lighthouse, the angle of depression to a ship in the

Mathematics

2 answers:

arsen [322]3 years ago

6 0

9514 1404 393

Answer:

335 ft

Step-by-step explanation:

The relationship between distances and the angle is ...

Tan = Opposite/Adjacent

tan(28°) = (lighthouse height)/(distance to ship)

distance to ship = (178 ft)/tan(28°) ≈ 334.77 ft

The ship is about 335 ft from the base of the lighthouse.

liubo4ka [24]3 years ago

5 0

Answer:

it's uhh is the answer

You might be interested in

It takes machine A x hours to manufacture a deck of cards that machine B can manufacture in y hours. If machine A operates alone

nlexa [21]

Answer:

The expression that shows how long the two machines will operate simultaneously is:

$\frac{y(100x-z)}{x+y}$

Step-by-step explanation:

We know that:

x: hours to manufacture a deck of cards for machine A

y: hours to manufacture a deck of cards for machine B

z: hours that machine A operates alone

The number of decks manufactured only by machine A is:

$\frac{z}{x}$

So, the remaining decks are given by:

$100-\frac{z}{x}=\frac{100x-z}{x}$

Then, the combined rate of machines A and B would be:

$\frac{1}{x} +\frac{1}{y} =\frac{x+y}{xy}$

The work-rate formula is:

$Amount= Rate \times Time$

Hence, the time that the two machines work simultaneously is:

$Time=\frac{Amount}{Rate}$

$Time=\frac{Amount}{Rate} =\frac{\frac{100x-z}{x} }{\frac{x+y}{xy} } ={\frac{100x-z}{x} \times \frac{xy}{x+y}=\frac{y(100x-z)}{x+y}$

3 0

3 years ago

PLZ HELP! <br> Question Down Below!

Tresset [83]

Well it depends on where the number is at. So you have to estimate to the closest number on the answers. Ok?

6 0

3 years ago

Read 2 more answers

How do i find the radius? please help :(

Rus_ich [418]

Answer:

r = 40/π exact answer

r = 12.7 decimal approximation

Step-by-step explanation:

arc length formula

s = (∅/360) * 2πr

s = (∅/180) * πr

--------------------------------

Plug in the givens

10 = (45/180) * πr

10 = .25πr

Divide both sides by .25

40 = πr

divide both sides by π

40/π = r

r = 40/π exact answer

r = 40/3.14

r = 12.7 decimal approximation

8 0

3 years ago

Approximate the value of 119√

Yuki888 [10]

Answer:

√119 = 10.908712114636

6 0

3 years ago

Which unit of measure would be appropriate for the area of a picture that is 20 centimeters tall and 15 centimeters wide?

Alex_Xolod [135]

Area= 300 cm squared

5 0

3 years ago

Read 2 more answers