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Elis [28]
2 years ago
7

Can someone help me ?

Mathematics
2 answers:
Lerok [7]2 years ago
7 0
Answer:
50*

Cause if u know a right angle is 90* then u add it it gets 130 then you take that away from 180 what leaves you with 50
skad [1K]2 years ago
3 0
Sin[?] = 18/22 = approximately 54.9degree
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When the second equation is subtracted from the first the resulting equation is
skelet666 [1.2K]
To find this answer, we subtract each of the like terms in the equation. 3x and 3x are like terms, -4y and 2y are like terms, and 7 and -5 are like terms. Now we subtract. 3x - 3x is 0, -4y - 2y is -6y, and 7 - (-5) is 12. That means that the result is -6y = 12, or B.
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3 years ago
3(x + 10) + 6 = 3(x + 12)
Helga [31]

Answer:

x = infinite amount of solutions

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

3(x + 10) + 6 = 3(x + 12)

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

  1. Distribute 3:                              3x + 30 + 6 = 3x + 36
  2. Combine like terms:                 3x + 36 = 3x + 36
  3. Subtract 36 on both sides:      3x = 3x
  4. Divide 3 on both sides:            x = x

Here we see that <em>x</em> does indeed equal <em>x</em>. We can plug in any number <em>x</em> and it would render the equation true.

∴ x = infinite amount of solutions

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Step-by-step explanation:

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