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DiKsa [7]
3 years ago
10

Yalll n-4 = 3n + 6 do me a favah

Mathematics
2 answers:
muminat3 years ago
8 0

Answer:

n=-5

Step-by-step explanation:

-4=2n+6

-10=2n

-5=n

Otrada [13]3 years ago
5 0
<h2>Answer:</h2><h2>n=-5</h2>

n

-

4

=

3

+

6

n-4=3n+6

n−4=3n+6

Solve

1

Add

4

4

4

to both sides of the equation

−

4

=

3

+

6

n-4=3n+6

n−4=3n+6

−

4

+

4

=

3

+

6

+

4

n-4+{\color{#c92786}{4}}=3n+6+{\color{#c92786}{4}}

n−4+4=3n+6+4

2

Simplify

3

Subtract

3

3n

3n

from both sides of the equation

4

Simplify

5

Divide both sides of the equation by the same term

6

Simplify

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9514 1404 393

Answer:

  • x = 108
  • y = 72
  • z = 18

Step-by-step explanation:

The angles of a linear pair are supplementary. That is, they total 180°. The angle marked x° and the one marked 72° are a linear pair:

  x° +72° = 180°

  x = 180 -72 = 108 . . . . . . . divide by °, subtract 72

__

Vertical angles are congruent. Angles y° and 72° are vertical angles, so ...

  y = 72

__

Angles z° and 72° together make a right, which has a measure of 90°.

  z° +72° = 90°

  z = 90 -72 = 18 . . . . . . . divide by °, subtract 72

__

  (x, y, z) = (108, 72, 18)

_____

<em>Additional comment</em>

Angles 72° and x° form a linear pair, as do angles x° and y°. That is, angles 72° and y° are both supplementary to angle x°. Angles that are supplementary to the same angle are congruent. This will be the case for any vertical angles: they are supplementary to the same angle.

4 0
3 years ago
Segment RS has endpoints at (6,1) and (-2,-5). Find the coordinate of the segment's midpoint: *use the format (x,y) to submit yo
zheka24 [161]
<h2>Answer:  ( 2 , -2 )</h2>

Step-by-step explanation:

Mid-point = [ ((x₁ + x₂) ÷ 2)   ,    ((y₁ + y₂) ÷ 2) ]

                =  [ (6 + (-2)) ÷ 2] , [(1 + (-5)) ÷ 2]

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3 years ago
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grigory [225]
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12 * 2000 = 24000

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4 years ago
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When s=5, this is ...

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