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salantis [7]
3 years ago
8

Helpie pleasewill make brainlist

Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0
Okay so first subtract 9x^2-10x+1 which gives you (9x -1)(x-1). then do the same to the next one which gives you -2(x^2 -2x +5) when you subtract you should get 11x^2 - 14x +11
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Elina [12.6K]
Mark Brainliest please.

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Explanation:

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3 years ago
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umka2103 [35]

Answer:    There is a bunch of spelling mistakes in ur thing

Step-by-step explanation:

6 0
3 years ago
What is the standard deviation of a sampling distribution called?
GarryVolchara [31]

Answer: Standard error.

Step-by-step explanation:

If the population is normally distributed , then the standard deviation of a sampling distribution of the sample mean [tex]\overline{x}[/tex] is known as standard error which depends on population standard deviation (\sigma) and the sample size (n).

\sigma_x=\dfrac{\sigma}{\sqrt{n}}

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8 0
3 years ago
I need help!!!!!!!!!
Sever21 [200]

Answer:

A?

Step-by-step explanation:

6 0
3 years ago
I need help with finding the value of x
Lelu [443]

Answer:

x= 10

Step-by-step explanation:

(8x+5)+(3x+25)+(4x)=180

15x+30=180

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x=10

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