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inysia [295]
3 years ago
6

I need help with this question please

Mathematics
1 answer:
madam [21]3 years ago
6 0

Answer:go there and it will answer your question

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Step-by-step explanation:

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D/12 = 0.25 bbhhgshdhrjrhfbbdb
marta [7]
So solve for the placeholder D
D/12=0.25
multiply both sides by 12 to clear fraction
12D/12=0.25 times 12
D(12/12)=3
D(1)=3
D=3


4 0
3 years ago
Namd the terms in the expression <br><br>3n + 4p + 2 <br>​
Jobisdone [24]
The terms are 3n, 4p, and 2.
4 0
3 years ago
In an effort to determine whether any correlation exists between the price of stocks of airlines, an analyst sampled six days of
vovikov84 [41]

Answer:

Check the explanation

Step-by-step explanation:

Following table shows the calculations:

Delta, X      Southwest , Y            X^2              Y^2                      XY

45.96               38.76               2112.3216     1502.3376          1781.4096

46.8                 45.41                2190.24         2062.0681        2125.188

47.93                15.7                 2297.2849      246.49            752.501

51.78                49.58              2681.1684      2458.1764        2567.2524

52.17                44.34              2721.7089      1966.0356        2313.2178

47.36                18                   2242.9696            324               852.48

Total 292       211.79               14245.6934      8559.1077      10392.0488

Sample size: n =6

Now

S_{yy}=\sum y^{2}-\frac{\left (\sum y \right )^{2}}{n}=1083.27

S_{xx}=\sum x^{2}-\frac{\left (\sum x \right )^{2}}{n}=35.03

S_{xy}=\sum xy-\frac{\left (\sum x \right )\left (\sum y \right )}{n}=84.94

The coefficient of correlation is :

r=\frac{S_{xy}}{\sqrt{S_{xx}S_{yy}}}=0.436

7 0
3 years ago
8x + 2<br> Solve for x.<br> 70°<br> 60°
harina [27]

Answer:

B. 6

Step-by-step explanation:

8(6) + 2

48+2 =50

70 + 60 + 50 = 180

3 0
2 years ago
Read 2 more answers
Collect data from all your family members and write down their heights (in cm).
bija089 [108]

Answer:

mode : the value that appears most frequently in a data set

mean : te everage of all number

median : the middle number in a sorted, ascending or descending

range : the difference between the largest and smallest numbers.

ANSWER ;

mode : none

mean : 145.4 ( you need to add all the number and divide by how many your family member)

median : 159

range : 80 ( the largest - the smallest)

4 0
3 years ago
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