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creativ13 [48]
3 years ago
11

Which expression is equal to a•a•a•a•b•b

Mathematics
2 answers:
Alona [7]3 years ago
8 0
A*a*a*a*b*b simplifies into a^4*b^2 ora^{4}b^{2}
Ronch [10]3 years ago
8 0
Since there are 4 A's and 2 B's the expression would be
a^4b^2
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Two random variables x and y are independent if the value of x does not affect the value of y. If the variables are not​ indepen
jeyben [28]

Answer: \mu_{x+y} = 3026

              \mu_{x-y}= 30

Step-by-step explanation: Average sum of the female and male's test score is the sum of expected value of each gender:

\mu_{x+y}=\mu_{x}+\mu_{y}

Assuming x represents the random male selected and y represents the random female selected:

\mu_{x+y}=1528+1498

\mu_{x+y}= 3026

The average sum of their scores is 3026.

Average difference is the difference between the expected value (mean) of each gender:

\mu_{x-y}=\mu_{x}-\mu_{y}

\mu_{x-y}= 1528 - 1498

\mu_{x-y}= 30

The average difference of their scores is 30.

6 0
3 years ago
20% more than 80 is ?
Diano4ka-milaya [45]

20% more than 80:

80 + 20% of 80

80 + 20/100 × 80

80 + 16

= 96

7 0
3 years ago
The owner expects you to hand wash each coffee pot before the coffee shop opens. It takes 10 minutes for all of the coffee pots
ankoles [38]
Pretty sure it is 16
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3 years ago
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andrew11 [14]

Answer:

x  \leqslant 2

Step-by-step explanation:

The point is shaded which means its is equal to and since the arrow goes to the left it is less than. Therefore x is less than or equal to 2

3 0
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By careful reorganization, a company was able to reduce the cost of operation from $21,840 per month to $17,190 per month. By wh
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Subtract the 17190 from the 21840. you get 4650. 4650 divided by 21840 is 0.21. The percent decrease is 21%
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