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Sunny_sXe [5.5K]
3 years ago
15

Can someone help with 31?!!!

Mathematics
1 answer:
Anton [14]3 years ago
8 0
Standard deviation is the data's average variation from the mean, so if you have a standard deviation of 0, that means all of the student's grades are the same grade.
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Plz answer this for 10 points
ki77a [65]
domain refers to the X values so option A would be correct :)
4 0
3 years ago
PLEASE HELP ASAP 25 POINTS
Elena L [17]

Answer: B

<u>Step-by-step explanation:</u>

 2x - 3y =  -7   →   2(2x - 3y = -7)   →   4x - 6y = -14

-4x + 6y = -10  →   1(-4x + 6y = -10) → <u>-4x + 6y</u> = <u>-10 </u>

                                                                    0  = -24

                                                                     FALSE

Since this makes a false statement, there are no solutions


6 0
3 years ago
2 / 5 + ? / 15 = 16 / 15
maksim [4K]

Answer:

65

Step-by-step explanation:

I dont know the answer hope this helps

8 0
3 years ago
-64+ x = -90.3<br><br><br> PLEASE HELP ASAP!!:))
ludmilkaskok [199]

Answer:

add 64 to both sides

Step-by-step explanation:

x = -26.3

7 0
3 years ago
I need help what is 30% of 31
Ainat [17]

Answer:

9.3

Step-by-step explanation:

Is means equals and of means multiply

W = 30% * 31

Change to decimal form

W = .30 *31

W = 9.3

4 0
3 years ago
Read 2 more answers
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