1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Luden [163]
3 years ago
8

A boat is on the same horizontal level as the foot of a cliff and the angle of depression of the boat 30 degree. If the boat is

120m away from the foot of the Cliff, find the height of the Cliff to 3 significant figures​
Mathematics
1 answer:
jeka57 [31]3 years ago
7 0

Answer:

69.282 m

Step-by-step explanation:

We can use the trigonometry of right triangles to solve this, since we are in the presence of a right triangle with acute angle 30 degrees, opposite side unknown (the vertical height of the cliff), and adjacent side equal to 120 m.

we use the tangent function to solve for the unknown, as shown below:

tan(30) = x/120

x = 120 * tan(30) = 69.282 m

You might be interested in
NEED THIS ASP!!!!!!!!!!!!!!!!!!!!!!! Which inequality represents the sentence?
Norma-Jean [14]

Answer: c, -3.2 + 1.5n less-than-or-equal-to 8.6

Step-by-step explanation:

I got it right on the quiz

5 0
3 years ago
Read 2 more answers
Please Help !<br> Answer the questions about Figure A and Figure B below.
Flauer [41]

Answer:yes

Step-by-step explanation:

Each of their corners are at a 90* angle

8 0
3 years ago
Did I do the first question right? can anyone please help me with the 2nd question? Would really appreciate the Help​
IgorC [24]

Answer:

  8.  1483.33

  9.  21 months

Step-by-step explanation:

8. Morgan's income after taxes is 55000/12 = 4583.33 per month. The amount  available after expenses is 4583.33 -3100.00 = 1483.33 per month.

Morgan is able to put $1483.33 per month into savings.

__

9. If Morgan is able to save $1483.33 per month, it will take her ...

  $30,000/$1483.33 ≈ 20.2

months to save $30,000. After 20 months, she won't have quite enough, so it will take her one more month to save the desired amount.

It will take Morgan about 21 months to save $30,000.

_

If you like, you can write an equation for "m", the number of months it will take Morgan to save 30,000:

  1483.33×m = 30,000

  m = 30,000/1483.33 ≈ 20.2 . . . . . . divide by the coefficient of m

7 0
3 years ago
WILL GIVE BRAINLYIST
marysya [2.9K]

Answer:

64 degrees

Step-by-step explanation:

Since the triangles are similar they have the same angle measures

\frac{PR}{PQ} =\frac{SU}{ST}          \frac{21}{14}= \frac{6}{4}

∠P = ∠S ∠R =∠U ∠Q=∠T

We know 2 of the angle measures: ∠S and ∠R, and since they are similar we know ∠P and ∠U

In triangles the sum of all angle measures is always 180 degrees, so we can solve for ∠Q with this formula

A+B+C=180

46+70+C+180

116+C=180

subtract 116 from both sides

C=64

Therefore ∠Q is equal to 64 degrees

3 0
3 years ago
2x 7 = -3solve for x , what is x
o-na [289]
Is it 2x +7= -3? If so the answer is -5
7 0
3 years ago
Other questions:
  • 3/4x+5/6=5x-125/3 solve for x
    9·1 answer
  • Hey i need help solving these and not just the answer i really would like to know how
    10·1 answer
  • Divide (x^2+x-6) by (x+3)
    13·1 answer
  • A scatter plot is shown below:
    6·2 answers
  • Describe corresponding elements and give an example,
    15·1 answer
  • What is the area of a circle with a radius of 3? Give your answer in terms of π.
    14·1 answer
  • Given the two expressions shown below:
    7·2 answers
  • Harry maid fruit punch using 2 parts Orange juice to 3 parts of soda water. The amount of soda water that Henry used is directly
    14·1 answer
  • 13, 69, 89, 25, 55, 20, 99, 75, 42, 18, 66, 88, 89, 79, 75, 65, 25, 99, 66, 78. Order from least to greatest
    11·1 answer
  • PLEASE HELP IM STUXK
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!