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belka [17]
3 years ago
15

What is the standard deviation of the data set {6, 8, 6, 11, 8, 8, 9}? round to the nearest tenth ​

Mathematics
1 answer:
Olegator [25]3 years ago
8 0

Answer:

8

Step-by-step explanation:

the one that the number has are the same is the data

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Describe the steps and order you use when solving an equation that involves the distributive property and combining like terms.
krok68 [10]
The rule to use is PEMDAS. (Parenthesis, Exponents, Multiplication, Division, Addition, and Subtraction) When there's a number in front of one parenthesis, you distribute that number to the terms on the inside based on PEMDAS. What should also be notified is the exponent rules for multiplication and division. Then combine like terms. They have to have the same base of multiplying or dividing. Combining like terms need to have the same exponent, or whole numbers in groups.
6 0
3 years ago
**PLEASE HELP ASAP**
Verdich [7]

The Function having highest Degree of Four given here is :

        f(x) = x^4 - 2 x^3 - 9 x^2 + 2x + 8?

As the given function has highest degree of four, it has maximum of four roots.

As complex and Irrational root occur in pairs, so There are many possibilities

1. Two Complex or Irrational + Two Real

2. Four real roots

3.All roots are complex or irrational

By looking at the options described below, it means it has four real roots.

It will cut X axis at four points.

With the help of Desmos you can directly find the solution of this problem, but without desmos Graphing, we first have to check by Taking different points on the curve whether graph of function described here is correct or not, i.e by method of increasing and decreasing formula of a function.The method to check is

If there are two points on the curve i.e (x_{1},y_{1}), (x_{2},y_{2}

1.  If ,x_{2} > x_{1} and y_{2} >y_{1}  Increasing Function.

2.  If ,x_{2} > x_{1} and y_{2}  Decreasing Function.

Option (4) is true .


8 0
3 years ago
This is k 12 help,<br> please!!! for (100 points)
Vlad1618 [11]

Answer:

3rd option - 14 m²

Step-by-step explanation:

First we know that the square's area will be 2×2 = 4

To calculate the area of a triangle we know the vertical height is 2.5 and the base length is 2 so we can use the formula b×h/2 to give the area of one triangle:

2.5×2 = 5

5÷2 = 2.5

So the area of 1 triangle is 2.5 m²

Since there are 4 triangles we multiply the area of 1 traingle by 4:

2.5×4 = 10

We add the area of the 4 triangles to the area of the square to give our final answer of :

10 + 4 = 14

14 m²

3 0
2 years ago
Read 2 more answers
What is 15.8666666666666667 as a fraction
lubasha [3.4K]

Answer:

<u>158666666666666667</u>

                   1

Step-by-step explanation:

You move the decimal point two (2) places to the left to get a whole number and you put it over one because they did not give you the denominator so that is why you put it over one.

6 0
3 years ago
Help with word problems and inequalities?
jeyben [28]

Answer:

what is your question

Step-by-step explanation:


8 0
3 years ago
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