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Mice21 [21]
3 years ago
8

18-3 -18-3 -18-(-3) 18-(-3)

Mathematics
2 answers:
Travka [436]3 years ago
6 0
From order of top to bottom, 15, -21, -15, 21
Marina CMI [18]3 years ago
4 0

Answer:

1.) 15

2.) -21

3.) -15

4.) 21

Step-by-step explanation:

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-2x2 - x + 7 +x2 +4x-5
Arada [10]

Answer:

Need more?

Step-by-step explanation:

-x^2 + 3x + 2

Is this the answer?

6 0
3 years ago
What is the solution to the equation 12(x+5)=4x
lubasha [3.4K]

Answer:

-15/2 =x

Step-by-step explanation:

12(x+5)=4x

Distribute

12x +60 = 4x

Subtract 12x from each side

12x-12x +60 = 4x-12x

60 = -8x

Divide each side by -8

60/-8 = -8x/-8

15/-2 = x

-15/2 =x

5 0
3 years ago
Which quadrant does 7 pi divided by 8 fall into
Svet_ta [14]

Answer:

Quadrant 2

Step-by-step explanation:

Convert radians to degrees

7pi/8(180/pi)

1260/8=157.5

157.5 degrees would fall into quadrant 2

6 0
4 years ago
Michal yard is 320 acres if he mowed 2/5 of his yard on friday how many acres does he have left to mow on saturday P.S you get 2
77julia77 [94]
I92 because that is how many archers he has left for the next day.
5 0
3 years ago
Read 2 more answers
X-4y=-4<br> 5x – 4y= 12
vekshin1

Answer: {x,y} = {4,2}

  [1]    x - 4y = -4

  [2]    5x - 4y = 12// Solve equation [1] for the variable  x

 [1]    x = 4y - 4

// Plug this in for variable  x  in equation [2]

  [2]    5•(4y-4) - 4y = 12

  [2]    16y = 32

// Solve equation [2] for the variable  y

  [2]    16y = 32

  [2]    y = 2

// By now we know this much :

   x = 4y-4

   y = 2

// Use the  y  value to solve for  x

   x = 4(2)-4 = 4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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