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jonny [76]
3 years ago
10

How to find a outliers​

Mathematics
1 answer:
Liula [17]3 years ago
6 0

Answer: It is something that is really far away from the rest of your data

Step-by-step explanation: for example find the outlier: -1 2 3 7 10 20 the outlier is 20

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Solve the system of equations by elimination.<br> 2x - y + 3z=-1<br> x + 2y - 4z=-1<br> y – 2z=0
MrRa [10]

Answer:

x = -1, y = 2 and z = 1

Step-by-step explanation:

The given system of equations are :

2x - y + 3z= -1  ....(1)

x + 2y - 4z = -1  ......(2)

y – 2z = 0  .....(3)

Equation (3) can be written as :

y = 2z

Use y = 2z in equation (2)

x + 2(2z) - 4z = -1

x + 4z - 4z = -1

x = -1

Put the value of x in equation (1) :

-2 -y +3z = -1

-y+3z = 1 ....(4)

Adding equation (3) and (4)

y-2z+(-y+3z)=1

z = 1

Now put z = 1 in equation (4)

-y+3=1

-y = -2

y = 2

Hence, the values of x,y and z are -1, 2 and 1 respectively.

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3 years ago
Larry used a pattern of colors to make a cube train.he used a red cube ,blue cube a red cube and another red cube. before he sta
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He used 3  red cubes.....
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After t seconds, a ball in the air from the ground level reaches a height of h feet given by the equation h= 144t-16t^2 . After
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H=0
Therefore:
144t-16t²=0
t (144-16t)=0
We have two equations:
1)
t=0    (when the ball is released)
2)
144-16t=0
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Answer: the ball hit the ground in 9 s. 
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Answer:

3m+m^2

Step-by-step explanation:

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6.4

Step-by-step explanation:

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