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Irina18 [472]
3 years ago
11

The measures of two supplementary angles are 12q - 9 and 8q + 14. Find the measures of the angles.

Mathematics
1 answer:
Sav [38]3 years ago
8 0
12q - 9 + 8q + 14 = 180
20q + 5 = 180
20q = 175
q = 8.75
angle 1 : 12(8.75) - 9 = 96
angle 2 : 8(8.75) + 14 = 84
Check: 84 + 96 = 180
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57

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

Step-by-step explanation:

<u>Step 1: Define</u>

n² - m

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<u>Step 2: Evaluate</u>

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  2. Exponents:                   64 - 7
  3. Subtract:                       57
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