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marysya [2.9K]
3 years ago
9

2) Which ordered pairs represent a proportional relationship between x and y?

Mathematics
2 answers:
kirill [66]3 years ago
7 0

Answer

d

Step-by-step explanation:

2,5 and 6,15

ZanzabumX [31]3 years ago
4 0

Answer:

d

Step-by-step explanation:

you can multiply the original x and y by 3 and get the second x and y

i hope this helps

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You leave home and walk 3 blocks east, then 4 blocks north. How far are you from<br><br>home?
lara31 [8.8K]
I believe the answer would 5 blocks

If you go 3 blocks East and 4 north, they are like the straight sides of a triangle, so to find the diagonal distance, or the shortest distance, you would find the diagonal side of a triangle it is
A squared + B squared = C squared

So 3x3 = 9
And 4x4 = 16
16+9=25
And the square root of 25 is 5

Please correct me if I am wrong and have a good day
4 0
3 years ago
Some help me please help me please help me please
kodGreya [7K]
1_ 210+90= 300



2_ it's prime:


[1,19]




good luck


4 0
3 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
Whats the midpoint between 2 and 8​
ELEN [110]

Answer: 5

Step-by-step explanation:

8+2=10

10/2=5

7 0
3 years ago
Read 2 more answers
What is the area: triangle with base of 14 in and height 10 in
Anika [276]
Triangle area formula: base*height/2
so, 14*10/2 = 7*10 = 70 sq. in.
7 0
3 years ago
Read 2 more answers
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