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marshall27 [118]
2 years ago
14

You are standing on the second floor balcony looking down at a car 50 feet away. Your line of sight is 15 feet above the ground.

What is the angle of depression to the nearest tenth of a degree?

Mathematics
1 answer:
fgiga [73]2 years ago
4 0

Answer:

  • 16.7°

Step-by-step explanation:

Let the angle is x

Imagine the right triangle with the angle x, with side opposite to angle x 15 ft and the adjacent side is 50 ft.

<u>Use trigonometry:</u>

  • tangent = opposite / adjacent
  • tan x = 15/50
  • tan x = 0.3
  • x = arctan 0.3
  • x = 16.7° (rounded)
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If a lobster molts 20 times in 5 years, then how many times will a lobster molt in 12 years?
statuscvo [17]

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Supplementary and Complementary

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3 years ago
Please answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!
slavikrds [6]

Answer:

x = 97

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Trigonometry</u>

  • [Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use PT to solve for the missing side length.

<u>Step 2: Identify Variables</u>

Leg <em>a</em> = 72

Leg <em>b</em> = 65

Hypotenuse <em>c</em> = <em>x</em>

<em />

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Substitute [PT]:                    72² + 65² = x²
  2. Exponents:                           5184 + 4225 = x²
  3. Add:                                      9409 = x²
  4. Isolate <em>x</em>:                               97 = x
  5. Rewrite:                                x = 97
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2 years ago
Which expressions are equivalent to x + 2y + x + 2
nika2105 [10]

Answer:

Where are the expressions??

Step-by-step explanation:

x + 2y + x + 2  simplified would be 2x+2y+2

Hope this helps :)

3 0
2 years ago
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