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Ket [755]
3 years ago
6

PLS HELP. 20 PTS.

Mathematics
1 answer:
Mashutka [201]3 years ago
6 0
180°=2x+10x+12
180=12x+12
168=12x
x=14

angle J=2x
J=2(14)
J=24

angle K=10x+12
K=10(14)+12
K=140+12
K=152
therefore, answer is C.

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Answer:

16

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<u> </u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Trigonometry</u>

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  • c is the hypotenuse<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify variables</em>

Leg <em>a</em> = <em>a</em>

Leg <em>b</em> = 12

Hypotenuse <em>c</em> = 20

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

  1. Substitute in variables [Pythagorean Theorem]:                                            a² + 12² = 20²
  2. Evaluate exponents:                                                                                         a² + 144 = 400
  3. [Subtraction Property of Equality] Isolate <em>a</em> term:                                           a² = 256
  4. [Equality Property] Square root both sides:                                                    a = 16
3 0
3 years ago
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IRISSAK [1]
The sequence is not geometric because there is no common difference or common ratio between each term. it’s also not an Arithmetic Sequence
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