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Korvikt [17]
3 years ago
7

Find the missing number. 30,______ 19, 13 1/2.

Mathematics
1 answer:
Andru [333]3 years ago
5 0
The answer is 24.5 because 19-13 \frac{1}{2} = 5 \frac{1}{2} so you add 5.5 from 19 to get the answer
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Sheryl got these scores on her spelling tests.
erica [24]

Answer:

5.6

Step-by-step explanation:

Sheryl got the following scores on her spelling tests.

95, 89, 99, 85, 82

Mean = sum of all observations/ Number of observations

Sum of all observations =95+89+99+85+82=450

Number of observations = 5

So,

Mean =\frac{450}{5}=90

Let M denotes the mean

Mean absolute deviation =\frac{\sum_{i=1}^{n}\left | x_i-M \right |}{n}

Put n=5

So,

Mean absolute deviation =\frac{\sum_{i=1}^{5}\left | x_i-M \right |}{5}=\frac{|95-90|+|89-90|+|99-90|+|85-90|+|82-90|}{5}=\frac{5+1+9+5+8}{5} =\frac{28}{5}=5.6

3 0
3 years ago
Help please! (turn your device sideways)​
makvit [3.9K]

Answer:

3x-2 ≥ 4

Step-by-step explanation:

3x-2 _ 4

3x _ 4+2

3x _ 6

x _ 2

Therefore, x ≥ 2

3x-2 ≥ 4

5 0
4 years ago
How to be a successful student?​
SashulF [63]

Answer:

If you want to be a successful student, read below! :)

Step-by-step explanation:

First, listen to the teacher.

Second, don't be late.

Third, don't talk back.

Fourth, don't be disrespectful.

Fifth, don't cause commotions on purpose.

Sixth, do your assignments/tests/quizzes on time

If your teacher is normal, then these tips should help, I am the top student in my class and this is what I do.

Hope this helped!

5 0
3 years ago
Read 2 more answers
I need to get a better grade
Ne4ueva [31]
Yes you do and what grade are you in and do you need help answering these questions
6 0
4 years ago
What does square root x^16 equal?
In-s [12.5K]
Sqrt(x^16) is x^8.
As you can see, x^8 * x^8 = x*x*x*x*x*x*x*x * x*x*x*x*x*x*x*x which equals x^16
I don't know why Cortesalondra28 deleted my answer to the question and sayid it was wrong..
8 0
3 years ago
Read 2 more answers
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