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vladimir1956 [14]
2 years ago
13

HELPPPPP ASAPPPPP PLSSSS

Mathematics
2 answers:
erma4kov [3.2K]2 years ago
4 0

Answer:

subtract to eliminate x

Step-by-step explanation:

Arte-miy333 [17]2 years ago
3 0

Answer:c

Step-by-step explanation:

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Nikitich [7]

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Hindi KO po Alam yan

Step-by-step explanation:

pagaralan mo nang mabuti

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What is the LOWER QUARTILE OR Q1 of the data set: 24, 25, 29, 30, 31, 31. 32, 34, 34?*​
MaRussiya [10]

Answer:

n=9

Step-by-step explanation:

Q1=n+1/4

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8 0
3 years ago
A=8, b=2, and c= 1/2<br><br> ab= ?<br><br> ca=?<br><br> 4a=?
jarptica [38.1K]

Answer:

ab=16

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a*b=8*2=16

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3 years ago
Which systems of equations have infinite solutions 2x+5y=31 6x-y=13 or 2x+y=10 -6x=3y+7 or y=14-2x 6x+3y=42 or y=13-2x 4x-3y=-19
Lerok [7]

Answer:

  • y=14-2x; 6x+3y=42
  • 2x+y=17; -6x=3y-51

Step-by-step explanation:

Dependent equations will have infinite solutions. One way to tell if a system of equations is dependent is to put all of the equations into standard form. Here, we can use the form ...

  ax + by = c

where a, b, c are mutually prime integers and "a" is positive. When dependent equations are put in this form, they resolve to the same equation.

Here, the rearrangement is accomplished by putting the x- and y-terms on the same side of the equal sign, with the x-term having a positive coefficient. If necessary, the constant is put on the other side, and any common factors removed from all of them.

Then the sets of equations are ...

  • 2x +5y = 31
  • 6x -y = 13 . . . . not dependent

__

  • 2x +y = 10
  • 6x +3y = -7 . . . . not dependent

__

  • 2x +y = 14
  • 2x +y = 14 . . . . dependent

__

  • 2x +y = 13
  • 4x -3y = -19 . . . . not dependent

__

  • 2x +y = 14
  • x +2y = 13 . . . . not dependent

__

  • 2x +y = 17
  • 2x +y = 17 . . . . dependent

__

The 3rd and 5th sets of equations are dependent, so have infinite solutions.

_____

The second set of equations is inconsistent, so has no solutions.

6 0
3 years ago
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