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RUDIKE [14]
3 years ago
7

Find the mean of the data set. If necessary, round to the nearest tenth. 18 14 8 22 25 8 A. 15.8 B, 14.8 C.16.1 D.17.3

Mathematics
2 answers:
zhuklara [117]3 years ago
8 0

Answer: A

<u>Step-by-step explanation:</u>

Mean (average) = \frac{18+14+8+22+25+8}{6}

                          =  \frac{95}{5}

                          = 15.83

madreJ [45]3 years ago
4 0
To find the mean you add all the numbers then divide by the amount of numbers there are so it would be 18+14+8+22+25+8=95 then divide 95 by 6. You get 15.8333333 the answer is A
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aalyn [17]

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8 0
1 year ago
Pls help and explain
grin007 [14]

Answer:

B

Step-by-step explanation:

First distribute the 2x to get:

4x² + 10x

Then distribute the -5 to get:

-10x - 25

Then combine

4x² + 10x - 10x - 25

The 10x's will cancel leaving you:

4x² - 25

4 0
2 years ago
How would I find all real solutions in x^4/3 -10^2/3 +21= 0
Oxana [17]

Answer:

Step-by-step explanation:

This equation looks complicated.We have to make it easier

let's say x^2/3 = t  and  x^4/3 = t^2

     

      t^2-10t+21=0   [ we can factorize this equation as a (t-3)(t-7) ]

     

      (t-3)(t-7)=0  [ that means , t can be 3 or 7 ]

But don't forget we have to find x not t so,

   t=x^2/3=3     ∛ x^2 = 3       x^2 = 9    x=3 or x= -3

  t=x^2/3=7      ∛x^2 = 7        x^2 = 343    x ~18.5  or x ~ -18.5

7 0
2 years ago
What is the distance between (-6, 8) and (-3,9)?
vivado [14]

Answer:

is \sqrt{10}

Step-by-step explanation:

var x = +3 (one side of right angled triangle)

var y = +1 (the other side of the right angled triangle)

Use the Pythagoras' Theorem.

3² + 1² = 10

6 0
3 years ago
Help me solve the out and inputs of the table
velikii [3]
The in is -5 the out for 7 is -21 the out for -3 is 9the infor 15 is -5 the out for -10 is 30
5 0
3 years ago
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