calvarado12
26.10.2021 •
Mathematics
How do you simplify 6y + 9 +3y - 7
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Ответ:
9y + 2
Step-by-step explanation:
6y + 9 +3y - 7
Combine like terms:
6y + 3y + 9 - 7
9y + 2
Ответ:
first group like terms
6y + 3y + 9 - 7
solve it step by step
6y + 3y =9y
slove the last part
9-7 = 2
Final answer= 9y + 2
Ответ:
The probability of having a positive test on a non-sick person is 24.32%.
Step-by-step explanation:
The probability of having a POS and not having tuberculosis, can be defined as the probability of getting a false positive.
The amount of positive test will be
1) The positive test of sick persons
2) The positive test of not-sick persons (false positives)
The amount of positive test will be
1) The negative test of non-sick persons
2) The negative test of sick persons (false negatives)