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zepelin [54]
2 years ago
5

I don’t understand this problem

Mathematics
1 answer:
Rina8888 [55]2 years ago
7 0

Answer:

Standard Deviation, σ = 6.5828058860438

Step-by-step explanation:

<u>Data Set:</u> 20, 11, 27, 13, 29, 20

The total numbers in the data set

Count, N = 6

The sum is all values in the data set is added up

20 + 11 + 27 + 13 + 29 + 20

Sum, Σx: 120

The mean is the sim / N

Mean, μ: 20

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Pls help!!
Rus_ich [418]

Answer:

I don't know about the variable but I believe that the equation is -500+516=16 and the solution is 16

Step-by-step explanation:

5 0
3 years ago
Which values of a and b make the following equation true<br> (5x^7y^2) (-4x^4y^5) = -20x^a y^b
Nadya [2.5K]
In x^7•x^4, how many x’s are multiplied together? (There’s 7 in the first factor and 4 in the second.)

x^7•x^4 = x^__? This is your a-value.

Similarly, y^2•y^5 = y^__? How many y’s are there in total being multiplied? This is your b-value.
5 0
3 years ago
How did u get this and what is it I need help so bad​
morpeh [17]

Answer:

y=6x+5

Step-by-step explanation:

I am not sure if this is the answer but it's worth a try...

4 0
3 years ago
-3x &gt;=9 using the symbols ( [ { in set builder notation the solution set is
arsen [322]

The given inequality :

-3x\ge9

Simplify :

<em>Multiply both side by (-1) and reverse the inequality :</em>

<em />

\begin{gathered} -3x\ge9 \\ (-1)(-3x)\leq(-1)9 \\ 3x\leq(-9) \end{gathered}

<em>Divide the inequality by 3:</em>

<em />

\begin{gathered} \frac{3x}{3}\leq\frac{(-9)}{3} \\ x\leq(-3) \end{gathered}

<em>i.e. x is less than or equal to (-3) </em>

Solution : x ≤ (-3)

<em>so, </em>

<em>x is lies in the half open interval of - infinity to (-3)</em>

<em />

Interval Notation : (-infinity, -3]

Answer:

Solution : x ≤ (-3)

Interval Notation : (-infinity, -3]

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4 0
1 year ago
CAN SOMEONE PLSSS HELP WITH 27 , 28,29!
djverab [1.8K]
The area for 27 is 64cm^2.

For the mean, you add up all the numbers then divide by how many numbers there are. So you would do 45+96+100+39+50 and divide it by 5. So your mean is 66.

Now for 29.
For when n=5 is 8
For when n=8 is 14
For when n=14 is 26

Hope this helps!
3 0
3 years ago
Read 2 more answers
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