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Sergio [31]
2 years ago
15

Find the standard deviation and mean of 3,5,7, and 9.

Mathematics
1 answer:
Lady_Fox [76]2 years ago
7 0

Answer:

Standard Deviation is 2.236

Mean is 6

Step-by-step explanation:

You might be interested in
Which expression describes the total growth of a plant that grew 2 cm each week for w weeks?
Sauron [17]
C) 2w. If it grows 2cm. every week then it would be 2 times the number of weeks.
5 0
2 years ago
Anyone knows more about algebric expressions??? Who voulenteer to teach me​
Tresset [83]

algebraic expressions could be easy or hard

how difficult are u talkin

5 0
3 years ago
Simplify the expression below as much as possible.<br> (8 + 9i) + (5 - 91) - (8 - 7i)
Sauron [17]

Answer:

B. 5 + 7i

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

<u>Algebra II</u>

  • Complex Standard Form: a + bi
  • Imaginary Numbers

Step-by-step explanation:

<u>Step 1: Define expression</u>

(8 + 9i) + (5 - 9i) - (8 - 7i)

<u>Step 2: Simplify</u>

  1. Distribute negative:                     8 + 9i + 5 - 9i - 8 + 7i
  2. Combine like terms:                    5 + 7i
7 0
2 years ago
Please help me. I really don't know dis​
stiks02 [169]

Answer:

I would do C because 2/3 is close to a whole so then you would get -3 and 1/4  is close to 0 so just keep 18 the same which would be -18 so -18 divided by -3 would be correct

Step-by-step explanation:

5 0
3 years ago
6 = 2(1+2) =<br> Somebody help me answer this please
Kitty [74]

Answer:

Step-by-step explanation:

6 = 2(1+2)

Use distributive property (Multiply 2 and 1. Then multiply 2 and 2)

6 = 2+4

Now add

6=6

This means the statement is true

3 0
2 years ago
Read 2 more answers
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