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docker41 [41]
3 years ago
13

3x -y= -1 + -3x + 3y= 27

Mathematics
1 answer:
schepotkina [342]3 years ago
8 0

Answer:

Answer:

y = 13

Explanation:

You want to add the like variables:

  (3x - y) = -1

+(-3x +3y) = 27

The x's cancel out:

2y = 26

Divide by 2 on both sides to get the y by itself and solve for y

y = 13

Step-by-step explanation:

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Gill Rolls a number Cube 78 times how many times can he expect to roll a number greater than one
saul85 [17]
Argument
The only number he can't roll is the number one. There are 5 numbers that he can roll.

The probability of success therefore is 5/6.

Formula
Number of successful rolls = probability of success * total number of rolls.
Total number of rolls = 78
Probability = 5/6

Number of successful Rolls = 5/6 * 78 
Number of successful Rolls = 390/6
Number of successful Rolls = 65

Answer
He should roll a number greater than one 65 times <<<<< answer

5 0
3 years ago
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Flauer [41]
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2 years ago
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podryga [215]

Step-by-step explanation:

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7 0
3 years ago
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blondinia [14]

Answer:

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