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siniylev [52]
2 years ago
9

Put the number by which one you answer and don't put nothing if you don't know it please

Mathematics
1 answer:
zhenek [66]2 years ago
5 0

Answer:

#2 - yes, no, yes, no

#4 - exponential

#5 - (y = 2x + 3) is linear, (y = 2x^3) is not linear, (y = 3x^2) is not linear, and (y = -x - 1) is linear

#6 - the last option

#7 - true, false, true, false

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The more scattered a plot of data appears, the _________ correlated the data is.
Evgesh-ka [11]
Less, because it is scattered and does not follow a linear path. 
6 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (8, -4) and (2,6)
Elena-2011 [213]

Answer:

C -5/3

Step-by-step explanation:

y2-y1/x2-x1

6- -4/ 2-8

-5/3

7 0
2 years ago
What is the standard deviation of this data set? Use a calculator to help you.
ale4655 [162]

Answer:

Standard deviation = 14.064

Step-by-step explanation:

We are given the following data;

        X                          X - Xbar                  (X-Xbar)^{2}

       20                     20 - 46 = -26                    676

       23                     23 - 46 = - 23                    529

       32                     32 - 46 = -14                      196

       36                     36 - 46 = -10                      100

       41                      41 - 46 = -5                         25

       43                     43 - 46 = -3                          9

       44                     44 - 46 = -2                          4

       45                     45 - 46 = -1                           1

       47                      47 - 46 = 1                            1

       54                      54 - 46 = 8                        64

       55                      55 - 46 = 9                        81

      59                       59 - 46 = 13                      169

       61                       61 - 46 = 15                       225

       63                       63 - 46 = 17                      289

       66                       66 - 46 = 20                <u>     400    </u>    

                                                    \sum(X-Xbar)^{2} <u>= 2769 </u>

Firstly we will calculate Mean, Xbar = \frac{\sum X}{n}

  Xbar = \frac{20+ 23+ 32+ 36+ 41+ 43+ 44+ 45+ 47+ 54+ 55+ 59+ 61+ 63+ 66}{15} = 45.93 ≈ 46

Now, Standard deviation formula is given by;

                   s = \sqrt{\frac{ \sum(X-Xbar)^{2}}{n-1}} = \sqrt{\frac{ 2769}{15-1}} = 14.064 .

7 0
3 years ago
Draw a quadrilateral that is similar (but not congruent) to the one given below. Measure and label all sides and angles of quadr
Tanya [424]

Answer:

draw the same shape but multiply all the sizes to be bigger or smaller

5 0
2 years ago
Evaluate the expression for the given value of the variable(s). Show your work.
ch4aika [34]
I got -50 as my answer
4 0
3 years ago
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