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Sophie [7]
3 years ago
13

Consider this expression.

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0

Answer:

= -30x -36

Step-by-step explanation:

-3x . 2-24x - 36= -30x - 36

-3x . 2 -24x - 36

= -6x - 24x - 36

= -30x - 36

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**MARKING BRAINLIEST PLEASE HELP**
Annette [7]

Answer:

6

1, 50.3

Step-by-step explanation:

the second part for question two could be anywhere from 50.1-50.4

3 0
2 years ago
The intersection of the two lines, shown in the image below, creates special angle relationships between angles 1,2,3,
levacccp [35]

Answer:

3 and 4

1 and 3

Step-by-step explanation:

This is because these are vertical angles so anything on one side is the same on the other in these words Congruent. Good luck.

5 0
3 years ago
The National Football League (NFL) polls fans to develop a rating for each football game (NFL website, October 24, 2012). Each g
Gelneren [198K]

This question is incomplete, in that the Excel File: data07-11.xlsx a. was not provided, but I was able to get the information on the Excel File: data07-11.xlsx a. from google as below:

57 61 86 74 72 73

20 57 80 79 83 74

The image of the Excel File: data07-11.xlsx a. is also attached below.

Answer:

a) Point estimate of sample mean  = 68

b) Point estimate of standard deviation (4 decimals) = 17.8122

Step-by-step explanation:

a) Point estimate of sample mean, \bar{x}  =  ∑Xi / n = (57 + 61 + 85 + 74 + 73 + 72 + 20 + 58 + 81 + 78 + 84 + 73)/12 = 68

b) Point estimate of standard deviation = sqrt ∑ Xi² - n\bar{x}² / n-1)

= sqrt(((57 - 68)^2 + (61 - 68)^2 + (85 - 68)^2 + (74 - 68)^2 + (73 - 68)^2 + (72 - 68)^2 + (20 - 68)^2 + (58 - 68)^2 + (81 - 68)^2 + (78 - 68)^2 + (84 - 68)^2 + (73 - 68)^2)/11) = 17.8122

4 0
2 years ago
I'm not sure what I​ supposed to do there is an example to help.
Delvig [45]
Question 1:

Conclusion: ∠DAY + ∠YAK = 180°

Justification: definition of linear pair


Question 2:


Conclusion: Point U is the midpoint of RN

Justification: RU=UN, definition of midpoint


Question 4:

Conclusion: ∠3 = ∠7

Justification: definition of alternate interior angles


Question 5:

Conclusion: ∠ABD = ∠DBC

Justification: definition of bisector


Question 6:

Conclusion: ∠2 and ∠3 are supplementary angles

Justification: definition of supplementary angles


Sorry question 3, don't know what it's trying to say
8 0
3 years ago
How do I completely factor 4x^2-64?
Salsk061 [2.6K]
4x^2 - 64

= 4(x + 4) (x - 4)


4 0
2 years ago
Read 2 more answers
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