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
Arada [10]
3 years ago
5

Plz help meee plz!!!!

Mathematics
1 answer:
aalyn [17]3 years ago
5 0

Answer:

second option that's the answer

You might be interested in
A helicopter is flying above a town. the local high school is directly to the east of the helicopter at a 20° angle of depressio
guapka [62]
Answer: 4.5 miles

Explanation:

When you draw the situation you find two triangles.

1) Triangle to the east of the helicopter

a) elevation angle from the high school to the helicopter = depression angle from the helicopter to the high school = 20°

b) hypotensue = distance between the high school and the helicopter

c) opposite-leg to angle 20° = heigth of the helicopter

d) adyacent leg to the angle 20° = horizontal distance between the high school and the helicopter = x

2) triangle to the west of the helicopter

a) elevation angle from elementary school to the helicopter = depression angle from helicopter to the elementary school = 62°

b)  distance between the helicopter and the elementary school = hypotenuse

c) opposite-leg to angle 62° = height of the helicopter

d) adyacent-leg to angle 62° = horizontal distance between the elementary school and the helicopter = 5 - x

3) tangent ratios

a) triangle with the helicpoter and the high school

tan 20° = Height / x ⇒ height = x tan 20°

b) triangle with the helicopter and the elementary school

tan 62° = Height / (5 - x) ⇒ height = (5 - x) tan 62°

c) equal the height from both triangles:

x tan 20° = (5 - x) tan 62°

x tan 20° = 5 tan 62° - x tan 62°

x tan 20° + x tan 62° = 5 tan 62°

x  (tan 20° + tan 62°) = 5 tan 62°

⇒ x = 5 tant 62° / ( tan 20° + tan 62°)

⇒ x = 4,19 miles

=> height = x tan 20° = 4,19 tan 20° = 1,525 miles

4) Calculate the hypotenuse of this triangle:

hipotenuese ² = x² + height ² = (4.19)² + (1.525)² = 19.88 miles²

hipotenuse = 4.46 miles

Rounded to the nearest tenth = 4.5 miles

That is the distance between the helicopter and the high school.
5 0
3 years ago
Read 2 more answers
Please help me for the brainliest answer
olga55 [171]

Answer:

3, 12, 27 and 300

Step-by-step explanation:

Plug n as 1, 2, 3 and 10.

3(1)² = 3

3(2)² = 12

3(3)² = 27

3(10)² = 300

8 0
3 years ago
Please help me I’m dying
Alex

Answer:

a° = 58°

b° = 48°

c = 74°

d° = 122°

Step-by-step explanation:

<em>Angles on a straight line add up to 180°</em>

58° + d° = 180°

d° = 180° - 58° = 122°

<em>Alternate angles are equal.</em>

a° = 58°

<em>Angles in a triangle add up to 180°.</em>

48° + 58° + c° = 180°

106° + c° = 180°

c° = 180° - 106° = 74°

<em>Angles on a straight line add up to 180°</em>

74° + 58° + b° = 180°

132° + b° = 180°

b° = 180° - 132° = 48°

5 0
2 years ago
How do you simplify the square root of 48
noname [10]
When you simplify the square root of a number, you are looking for factors of the number that are perfect squares that you can remove from under the radical.  For example sq root of 8... it's not a perfect square but factors of 8 include 2 x 4... 4 is a perfect square so we can take it out of the radical by taking it's square root.  Now you are left with 2* sq root of 2.

For sq root of 48

48 = 12 x 4 

12 = 3x4  so we can say 48 = 3x4x4

so... sq root 48 = sq root 3x4x4

we have two 4's under the radical.  Sq root x^2 = x    so sq root 4^2 is 4

Pull it out from the radical and we are left with 4 * sq root 3
4 0
3 years ago
7925 divided by 72. It keeps coming out wrong as I do it so I need help
emmainna [20.7K]

Answer:

110 R 5

Step-by-step explanation:

plz plz plz give brainlyest

4 0
2 years ago
Read 2 more answers
Other questions:
  • Solve the equation: .69x+4.32=.46x+3.4<br><br> please show work or explain how to do it.
    9·2 answers
  • I need 12/-30 simplified
    11·1 answer
  • 3x+15+10x+9=180 what angle is formed?
    10·2 answers
  • 3a + 10 − 4q + 7a − 4q − 6.
    10·2 answers
  • I need help with a question that has to do with Ratio and Proportion. I want to know how to do it, not just only the answer.
    13·1 answer
  • Aye can u help me ??
    9·1 answer
  • A survey was done to see if residents drive a car or ride the bus. Let C represent residents who drive a car and
    10·2 answers
  • What is the angle of Z?
    15·1 answer
  • HELP PLEASE!!! EASY I just haven't done algebra in a while so I forgot lol.
    7·2 answers
  • Find 0.112 x 7.2. Helpppppppppppp
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!