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lisabon 2012 [21]
2 years ago
9

In a class of students, the following data table summarizes how many students have a cat or a dog. What is the probability that

a student who has a cat also has a dog?
Has a cat Does not have a cat
Has a dog 7 6
Does not have a dog 8 2
Mathematics
1 answer:
myrzilka [38]2 years ago
5 0
Outcome C joint D = 7, D excluding C is 6, C excluding D = 8, no C no D =2. Should be 23 people in total in that class. 7/23.
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. 3. Which of these ordered pairs is a solution to the linear inequality y – 4x ≤ –6? . . (Points : 1). A) (–2, 4). B) (1, –2).
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We may answer the question above by substituting the values of the coordinates of the points in the choices to the x and y of the inequality. 
A. (-2, 4)     4 - 4(-2) ≤ -6     12 ≤ -6   FALSE
B. (1, -2)     -2 - 4(1<span>) ≤ -6      -6 ≤ -6   TRUE
C (1, 3)        3</span> - 4(1<span>) ≤ -6      -1 ≤ -6   FALSE
D. (2, 3)       3</span> - 4(2<span>) ≤ -6      -5 ≤ -6   FALSE

The answer would be letter B. </span>
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