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sergey [27]
3 years ago
15

What is the value of x?

Mathematics
2 answers:
podryga [215]3 years ago
8 0
Since vertical angles are congruent, in order to find the value of x we must equal the two values to each other.

3x+50=6x-10
add 10 to both sides.
3x+60=6x
subtract 3 from both sides
60=3x
divide both sides by 3
x=20
valkas [14]3 years ago
3 0
These are vertical angles and they are equal

3x + 50 = 6x - 10
50 + 10 = 6x - 3x
60 = 3x
60/3 = x
20 = x <==

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Answer:

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General Formulas and Concepts:

  • Order of Operations: BPEMDAS
  • Equality Properties
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Step-by-step explanation:

<u>Step 1: Set up equation</u>

<em>The 2 angles must add up to 90°.</em>

(4q - 5)° + 39° = 90°

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

  1. Combine like terms:                    4q + 34 = 90
  2. Subtract 34 on both sides:          4q = 56
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Answer:

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<em></em>

Step-by-step explanation:

Required

Show that:

\angle m + \angle t + \angle n = 180^o

To make the proof easier, I've added a screenshot of the triangle.

We make use of alternate angles to complete the proof.

In the attached triangle, the two angles beside \angle m are alternate to \angle t and \angle n

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Using angle on a straight line theorem, we have:

\angle 1 + \angle m + \angle 2 = 180

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Rewrite as:

<em></em>\angle m + \angle t + \angle n = 180<em> -- proved</em>

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They would make a profit of $187.50

(if that is what you were trying to ask)

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