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Blizzard [7]
3 years ago
14

Robin surveyed 5 students from the choirs of 4 different schools. He asked them how many hours they practice singing each day. S

chool A: 3, 2, 1, 1, 2 School B: 2, 3, 4, 3, 3 School C: 1, 2, 1, 0, 1 School D: 2, 2, 1, 2, 3 The data for school has the highest center of distribution. The data for school has the lowest center of distribution.
Mathematics
1 answer:
Fittoniya [83]3 years ago
3 0

Answer:

The highest would be the letter B and the lowest would be letter C if the pat is what you need to know.

Hope it helps :)

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A lot contains 12 items, and 4 are defective. If three items are drawn at random from the lot, what is the probability they are
Gnesinka [82]

Answer:

ur nan

Step-by-step explanation:

6 0
3 years ago
Given a≠±b and a^2−b^2 / a+b =12, find a−b.<br> pls hlep
Readme [11.4K]

Answer:

a - b = 12

Step-by-step explanation:

Given

\frac{a^2-b^2}{a+b} = 12 ← factor the numerator

a² - b² ← is a difference of squares and factors as

a² - b² = (a - b)(a + b)

Thus

\frac{(a-b)(a+b)}{a+b} = 12

Cancel the common factor (a + b) on numerator/ denominator, thus

a - b = 12

7 0
3 years ago
What times what equals 23?
Nookie1986 [14]
1*23 equals 23.
23 is a prime number so it doesn't have any factors besides 1 and itself.
8 0
3 years ago
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Which expression is equal to (7 × 2) × 2?
Arturiano [62]

Answer:

C

Step-by-step explanation:

this is the associative property, swapping two numbers in/out of the parenthesis, since its all multiplication it does not make any difference

4 0
3 years ago
Read 2 more answers
Ben rolls two standard number cubes 36 time. predict how many time he will roll a sum of four.
rusak2 [61]
You can make a 6 x 6 square to illustrate  the probabilities 

   1 2 3 4 5 6
1 2 3 4 5 6 7
2 3 4 5 6 7 8
3 4 5 6 7 8 9
4 5 6 7 8 9 *
5 6 7 8 9  * &
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* =10, & =11, $ = 12, I wanted maintain spacing

There are 3 4's. So it is 3/36 chance, which is 1/12 chance.
6 0
3 years ago
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