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Inessa05 [86]
3 years ago
11

Right Triangle Trigonometry

Mathematics
2 answers:
belka [17]3 years ago
5 0

Answer:

B. 8

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] SOHCAHTOA
  • [Right Triangles Only] cos∅ = adjacent over hypotenuse

Step-by-step explanation:

<u>Step 1: Define</u>

Angle = 37°

Adjacent Leg = <em>x</em>

Hypotenuse = 10

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute [Cosine]:                    cos37° = x/10
  2. Isolate <em>x</em>:                                      10cos37° = x
  3. Rewrite:                                       x = 10cos37°
  4. Evaluate:                                     x = 7.98636
  5. Round:                                         x ≈ 8
Rudik [331]3 years ago
3 0

Step-by-step explanation:

please it my steps to work on paper whorksheet

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jarptica [38.1K]

Answer:

The answer is

<h2>\sqrt{349}  \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

<h3>d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  }   \\</h3>

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-7,-2) and (11,3)

The distance between the points is

<h3>d =  \sqrt{ ({ - 7 - 11})^{2} +  ({ - 2 - 3})^{2}  }  \\  =  \sqrt{ ({ - 18})^{2} +  ({ - 5})^{2}  }  \\  =  \sqrt{324 + 25}  \\</h3>

We have the final answer as

<h3>\sqrt{349}  \:  \: units</h3>

Hope this helps you

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A motorcycle cost $12,000 when it was purchased. The value of a motorcycle decreases by 6% each year. Find the rate of decay eac
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