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ioda
3 years ago
14

3x< 21 fill in the blank x < ____

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
7 0
To solve this problem, you need to have x alone on one side of the inequality.  To do this, you need to undo the multiplication that is bonding 3 and x together.  To undo this, you need to divide both sides by 3.

This results in the inequality x<7.

Your final answer is x<7.
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Complete the sentence below. The standard deviation of the sampling distribution of x overbarx​, denoted sigma Subscript x overb
ella [17]

Answer:

The standard deviation of the sampling distribution of x overbarx​, denoted sigma Subscript x overbarσx​, is called the​ standard error of the mean . The standard deviation of the sampling distribution of x overbarx​, denoted sigma Subscript x overbarσx​, is called the standard distribution of the sample.

Step-by-step explanation:

The standard error (SE) of a statistic is the standard deviation of its sampling distribution or an estimate of that standard deviation. It is called the standard error of the mean (SEM) if the parameter or the statistic is the mean.

4 0
4 years ago
8 black balls and 7 red balls in an urn. 5 are withdrawn without replacement. What is probability exactly 2 black balls will be
densk [106]
6 black balls to 4 red balls
6 0
3 years ago
BRAINLEST
Zanzabum

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the value of x which makes the area of this triangle equal 72
Maslowich
The Answer To Your Question Would Be 12

8 0
3 years ago
Please help me! 20 points!
TEA [102]

Answer:

12 1/4 or (Decimal: 12.25)

Step-by-step explanation:

(3 1/2) (3 1/2)

= 7/2 (3 1/2)

= 7/2 (7/2)

= 49/4

= 12 1/4

   I hope I helped you!!

8 0
3 years ago
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