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Alina [70]
2 years ago
15

1=0 2=0 3=1 4=2 what does 3 represent

Mathematics
1 answer:
vova2212 [387]2 years ago
5 0
3 represents 1. Brainliest?
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(-10x-8)-70 (4x-11) + 46 -43(6x6) -54+ (8x5)
STatiana [176]
I feel like you just put random numbers in to waste someone time... but I did the problem any way.

7 0
3 years ago
Can someone help on this one because i don’t know if i’m correct
34kurt

Answer:

Yes its C

Step-by-step explanation:

First off the y intercepts + 3 and the line hits it  not -3 so option D is out

Also the slope is negative so Option A and B are out

6 0
3 years ago
ANSWER WITH WORK ! Plz<br><br>Perform the indicated operations using order of operations rules.
jonny [76]

Answer:

1. (-20/3)+[(2×3+2)/3]=-12/3=4

2. (-5/3)-(2/3)-3= -5-2-6=-3

4 0
3 years ago
Read 2 more answers
You are building a new extension and are looking at the plans.referring to the scale, what is the actual measurement of the wall
galina1969 [7]
<span>1:50 scale  means     1cm  on paper and  <span>50cm in real life . So 18x50=900cm
and the answer is 9m . Hope you enjoy !</span></span>
3 0
3 years ago
Read 2 more answers
The following is the frequency distribution for the speed of a sample of automobiles traveling on an interstate highway. Speed (
svlad2 [7]

Answer:

Standard Deviation is 18.57 .

Step-by-step explanation:

We are given the frequency distribution for the speed of a sample of automobiles traveling on an interstate highway;

  Speed (mph)     Frequency (f)      X         X*f           X - Xbar        (X-Xbar)^{2}

     50 - 54                    4                52       208         52 - 65 = -13         169

     55 - 59                    3                57        171           57 - 65 = -8           64

     60 - 64                    2                62        124          62 - 65 = -3            9

     65 - 69                    5                67        335          67 - 65 = 2             4

     70 - 74                     2                72        144           72 - 65 = 7            49

     75 - 79               <u>      5       </u>         77     <u>   385    </u>      77 - 65 = 12          144

                                <u> ∑f = 21   </u>              ∑X*<u>f = 1367 </u>            

Mean of the data, Xbar = \frac{\sum Xf}{\sum f}

                                       = \frac{1367}{21} = 65.09 ≈ 65 .        

Now, Standard deviation, s = \sqrt{\frac{\sum f*(X-Xbar)^{2} }{n-1}}

s =  \sqrt{\frac{(4*169)+(3*64)+(2*9)+(5*4)+(2*49)+(5*144)}{6-1} } = \sqrt{\frac{1724}{5} } = 18.57

Therefore, standard deviation is 18.57 .

           

5 0
3 years ago
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