Respuesta :

Space

Answer:

A. 15

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

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

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Trigonometry

  • [Right Triangles Only] SOHCAHTOA  
  • [Right Triangles Only] sinθ = opposite over hypotenuse

Step-by-step explanation:

Step 1: Define

Identify variables

Angle θ = 37°

Opposite Leg = x

Hypotenuse = 25

Step 2: Solve for x

  1. Substitute in variables [sine]:                                                                           sin37° = x/25
  2. [Multiplication Property of Equality] Multiply 25 on both sides:                    25sin37° = x
  3. Evaluate:                                                                                                           15.0454 = x
  4. Rewrite:                                                                                                             x = 15.0454
  5. Round:                                                                                                               x ≈ 15
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Answer:

the answer was 20.

Step-by-step explanation: