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Readme [11.4K]
4 years ago
10

3. Please show your work to find the mean and standard deviation of the data. Round to the nearest tenth.

Mathematics
1 answer:
dolphi86 [110]4 years ago
5 0
The standard deviation of the numbers 14 22 6 9 11 23 15 18 20 12 is 5.67646 the mean is 15 and the standard deviation variance is 32.222.
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Please help, I need this quickly. Fairly easy, help pleasee
ahrayia [7]
-4x-3y-9=0
||      m1 = - ( - 4)/-3= - 4/3
_|_   m2  = -1/m1= 3/4

2x+4y-3=0
 ||     m1= -2/4= -1/2
_|_   m2= 2

12x-y-17=0
 ||     m1= -12/-1=12
  _|_ m2 = -1/12

x-y=0
||    m1= -1/-1=1
_|_ m2= -1

8x - 3y - 2=0
||     m1= -8/-3= 8/3
 _|_ m2 = -3/8

-2x + y - 5=0
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3 0
4 years ago
Which of the following is the solution to 9|x +4|>54 ?
horsena [70]

Answer:

x>2 or x<-10

Step-by-step explanation:

9|x +4|>54

Divide each side by 9

9/9|x +4|>54/9

|x +4|>6

There are two solutions, one positive and one negative

x+4 >6  or x+4 < -6

Subtract 4 from each side

x+4-4 >6-4   or x+4-4 < -6-4

x>2 or x<-10

4 0
3 years ago
a girl showing half her body gets answered quicker then a math post. all I want is the answer to this and no one helps me sooooo
Gre4nikov [31]
The percent error would be 5.8%.
3 0
3 years ago
When written in scientific notation, the number 4,500 will have a Choose... 2 4 3 as the exponent on the power of ten
nexus9112 [7]
The exponent would be 3.
4.5 x 10^3
6 0
3 years ago
99PTS!!!!!!!
Ostrovityanka [42]

h(x) = 3^x – 2 will be negative  when x is less than 0

h(2) =7

g(2)=7

This is the point they are equal

g(x)> h(x) until2

g(x)>=h(x) -2<=x<=2

Choice A

5 0
3 years ago
Read 2 more answers
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