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Shalnov [3]
3 years ago
5

Population mean of 23,15,6,5,6

Mathematics
1 answer:
MrMuchimi3 years ago
3 0

Answer:

mean=sum of all observations/no.of observations

mean =23+15+6+5+6/5

mean=55/5

mean=11

population mean =11

hope this answer helps

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inn [45]

Answer:

r=<1,0,9>+t<1,2,1>

and

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z=9+t

Step-by-step explanation:

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ax+by+cz+d=0

is given by (a,b,c)

So a vector perpendicular to given plane will have :

(1,2,1)

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7 0
3 years ago
What is the least common denominator of the fraction 3 x over x plus 1 plus the fraction x plus 1 over 2 x plus the fraction 5 o
Hoochie [10]
3x/(x+1) + (x+1)/(2x) + (5/x)

To find the least common denominator, we multiply the denominators that cannot factor into eachother. x, the denominator in 5/x, fits into 2x, so we do not need to multiply this number.
Therefore, the least common denominator is:
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3 0
3 years ago
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kirill [66]

Answer:

x = 3 and y = 2

or

(3,2)

Step-by-step explanation:

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12x + 24 - 180 + 20x = 15y - 90

32x - 15y = -90 - 24 + 180

32x - 15y = 66

second equation:

8(x + 2) - (2x + y) = 2(x + 13)

8x + 16 - 2x - y = 2x + 26

6x - y + 16 = 2x + 26

4x - y = 10

Now you have 2 equations:

4x - y = 10  ---> y = 4x - 10

32x - 15y = 66

Substitute   y = 4x - 10 into 32x - 15y = 66

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32x - 60x + 150 = 66

-28x = -84

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6 0
3 years ago
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dlinn [17]

Answer:

Answer Below

Step-by-step explanation:

Triangle #1

To solve this answer we need to multiply then <em>divide by 2</em>

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Now we do the same thing!

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<em>Now we solve for the rectangle!</em>

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Now we add all these together!

12 + 12 + 48 = 72

<em>The answer is D. 72 Square Units</em>

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denis23 [38]

Answer:1608.5

Step-by-step explanation:

8 0
2 years ago
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