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➷ First calculate how many counters are 'not white'
12 - 7 = 5
We have 5 counters that are 'not white'
The probability of taking a white counter the first time is 7/12
For the next pick, there would be 1 less of the total counters as it is not being replaced
The probability of then taking a 'not white' counter is 5/11
The other way you could still get one white counter is:
The first counter (non white) probability would be 5/12
The second counter (white) probability would be 7/11
Multiply these values:
7/12 x 5/11 = 35/132
5/12 x 7/11 = 35/132
Add these two values together:
35/132 + 35/132 = 70/132
Your answer is 70/132
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Answer:
45%
Step-by-step explanation:
1/4 is 25/100 25+20 =45
Answer:
x = - 28
Step-by-step explanation:
Given
2 = - 
x - 6 ( add 6 to both sides )
8 = - x
Multiply both sides by 7 to clear the fraction
56 = - 2x ( divide both sides by - 2 )
- 28 = x
Answer: 
Step-by-step explanation:
To find the slope of the line, you want to use the formula 
.
Now we know the slope is .
