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Evgen [1.6K]
4 years ago
7

Standard form for 1x1+9x1/10+8x1/100+1x1/1000

Mathematics
2 answers:
raketka [301]4 years ago
7 0
It equals because when you multiply it all up
Inessa05 [86]4 years ago
7 0

Answer:

1.981

Step-by-step explanation:

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Y = -3 + 1/2x 3x + 2y = 2<br><br><br> Help ASAP this is due today
maxonik [38]
The solution to this would be x=2, y=-2

7 0
3 years ago
Substitute this equation x+3y=18 &amp; -x-4y=-25
sveticcg [70]

Answer:

 {x,y} = {3/7,-43/7}

Step-by-step explanation:

System of Linear Equations entered :

  [1]    x + 3y = -18

  [2]    -x + 4y = -25

Graphic Representation of the Equations :

   3y + x = -18        4y - x = -25  

 

 

Solve by Substitution :

// Solve equation [1] for the variable  x  

 

 [1]    x = -3y - 18

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

  [2]    -(-3y-18) + 4y = -25

  [2]    7y = -43

// Solve equation [2] for the variable  y  

  [2]    7y = - 43  

  [2]    y = - 43/7  

// By now we know this much :

   x = -3y-18

   y = -43/7

// Use the  y  value to solve for  x  

   x = -3(-43/7)-18 = 3/7  

Solution :

{x,y} = {3/7,-43/7}

5 0
3 years ago
1. What does it mean to find the cube root of a number?
Alex
You find three times that number.
3 0
3 years ago
Read 2 more answers
What is the MEAN of this data set? (3, 6, 3)
dlinn [17]

Answer:

mean=sum of data/no of data

=12/3

=4

Step-by-step explanation:

therefore mean=4

4 0
3 years ago
Read 2 more answers
What is the standard deviation of this data set?<br> 12, 14, 9, 11, 10, 15, 16, 12, 7, 14
Tju [1.3M]

Answer:

The standard deviation is 2.6832815729997

Step-by-step explanation:

SD^2=(12-12)^2+...+(14-12)^2/10

SD^2=72/10

SD^2=7.2

SD=squeare root of 7.2

SD=2.6832815729997

4 0
3 years ago
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